Home / 205,920,436.72-284,175,752.04-121,153,472.68

Finding the Fourth Proportional to 205,920,436.72, 284,175,752.04 and 121,153,472.68

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Solution

The fourth proportional to 205,920,436.72, 284,175,752.04 and 121,153,472.68 is: 167,195,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,920,436.72 : 284,175,752.04 = 121,153,472.68 : x
  2. Step 2: Convert to fraction form
    205,920,436.72/284,175,752.04 = 121,153,472.68/x
  3. Step 3: Cross multiply
    205,920,436.72x = 284,175,752.04 × 121,153,472.68
  4. Step 4: Simplify right side
    205,920,436.72x = 34,428,879,211,096,600
  5. Step 5: Solve for x
    x = 34,428,879,211,096,600/205,920,436.72
  6. Step 6: Final answer
    x = 167,195,057.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.