Home / 234,120,720-351,106,646.40-218,836,439.04

Finding the Fourth Proportional to 234,120,720, 351,106,646.40 and 218,836,439.04

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Solution

The fourth proportional to 234,120,720, 351,106,646.40 and 218,836,439.04 is: 328,185,084.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,120,720 : 351,106,646.40 = 218,836,439.04 : x
  2. Step 2: Convert to fraction form
    234,120,720/351,106,646.40 = 218,836,439.04/x
  3. Step 3: Cross multiply
    234,120,720x = 351,106,646.40 × 218,836,439.04
  4. Step 4: Simplify right side
    234,120,720x = 76,834,928,221,452,432
  5. Step 5: Solve for x
    x = 76,834,928,221,452,432/234,120,720
  6. Step 6: Final answer
    x = 328,185,084.27

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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.