Home / 156,522,906,709.30-234,784,360,063.95-72,648,762,325.30

Finding the Fourth Proportional to 156,522,906,709.30, 234,784,360,063.95 and 72,648,762,325.30

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Solution

The fourth proportional to 156,522,906,709.30, 234,784,360,063.95 and 72,648,762,325.30 is: 108,973,143,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,522,906,709.30 : 234,784,360,063.95 = 72,648,762,325.30 : x
  2. Step 2: Convert to fraction form
    156,522,906,709.30/234,784,360,063.95 = 72,648,762,325.30/x
  3. Step 3: Cross multiply
    156,522,906,709.30x = 234,784,360,063.95 × 72,648,762,325.30
  4. Step 4: Simplify right side
    156,522,906,709.30x = 17,056,793,171,983,561,916,416
  5. Step 5: Solve for x
    x = 17,056,793,171,983,561,916,416/156,522,906,709.30
  6. Step 6: Final answer
    x = 108,973,143,487.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.