Home / 89,709,177.80-123,798,715.02-48,456,070.17

Finding the Fourth Proportional to 89,709,177.80, 123,798,715.02 and 48,456,070.17

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Solution

The fourth proportional to 89,709,177.80, 123,798,715.02 and 48,456,070.17 is: 66,869,403.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,709,177.80 : 123,798,715.02 = 48,456,070.17 : x
  2. Step 2: Convert to fraction form
    89,709,177.80/123,798,715.02 = 48,456,070.17/x
  3. Step 3: Cross multiply
    89,709,177.80x = 123,798,715.02 × 48,456,070.17
  4. Step 4: Simplify right side
    89,709,177.80x = 5,998,799,222,333,721
  5. Step 5: Solve for x
    x = 5,998,799,222,333,721/89,709,177.80
  6. Step 6: Final answer
    x = 66,869,403.66

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Why These Related Problems?

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