Home / 89,712,177.75-123,802,855.11-48,459,070.53

Finding the Fourth Proportional to 89,712,177.75, 123,802,855.11 and 48,459,070.53

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Solution

The fourth proportional to 89,712,177.75, 123,802,855.11 and 48,459,070.53 is: 66,873,544.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,177.75 : 123,802,855.11 = 48,459,070.53 : x
  2. Step 2: Convert to fraction form
    89,712,177.75/123,802,855.11 = 48,459,070.53/x
  3. Step 3: Cross multiply
    89,712,177.75x = 123,802,855.11 × 48,459,070.53
  4. Step 4: Simplify right side
    89,712,177.75x = 5,999,371,287,590,861
  5. Step 5: Solve for x
    x = 5,999,371,287,590,861/89,712,177.75
  6. Step 6: Final answer
    x = 66,873,544.24

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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.