Home / 156,390,917.40-234,586,376.10-54,120,965.40

Finding the Fourth Proportional to 156,390,917.40, 234,586,376.10 and 54,120,965.40

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Solution

The fourth proportional to 156,390,917.40, 234,586,376.10 and 54,120,965.40 is: 81,181,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,390,917.40 : 234,586,376.10 = 54,120,965.40 : x
  2. Step 2: Convert to fraction form
    156,390,917.40/234,586,376.10 = 54,120,965.40/x
  3. Step 3: Cross multiply
    156,390,917.40x = 234,586,376.10 × 54,120,965.40
  4. Step 4: Simplify right side
    156,390,917.40x = 12,696,041,144,219,486
  5. Step 5: Solve for x
    x = 12,696,041,144,219,486/156,390,917.40
  6. Step 6: Final answer
    x = 81,181,448.10

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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.