Home / 206,376,411.60-309,564,617.40-83,554,491.60

Finding the Fourth Proportional to 206,376,411.60, 309,564,617.40 and 83,554,491.60

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Solution

The fourth proportional to 206,376,411.60, 309,564,617.40 and 83,554,491.60 is: 125,331,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,376,411.60 : 309,564,617.40 = 83,554,491.60 : x
  2. Step 2: Convert to fraction form
    206,376,411.60/309,564,617.40 = 83,554,491.60/x
  3. Step 3: Cross multiply
    206,376,411.60x = 309,564,617.40 × 83,554,491.60
  4. Step 4: Simplify right side
    206,376,411.60x = 25,865,514,224,205,512
  5. Step 5: Solve for x
    x = 25,865,514,224,205,512/206,376,411.60
  6. Step 6: Final answer
    x = 125,331,737.40

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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.