Home / 156,596,596.13-234,537,084.59-74,772,784.41

Finding the Fourth Proportional to 156,596,596.13, 234,537,084.59 and 74,772,784.41

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Solution

The fourth proportional to 156,596,596.13, 234,537,084.59 and 74,772,784.41 is: 111,988,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,596,596.13 : 234,537,084.59 = 74,772,784.41 : x
  2. Step 2: Convert to fraction form
    156,596,596.13/234,537,084.59 = 74,772,784.41/x
  3. Step 3: Cross multiply
    156,596,596.13x = 234,537,084.59 × 74,772,784.41
  4. Step 4: Simplify right side
    156,596,596.13x = 17,536,990,861,824,140
  5. Step 5: Solve for x
    x = 17,536,990,861,824,140/156,596,596.13
  6. Step 6: Final answer
    x = 111,988,327.31

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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.