Home / 89,712,199.69-123,802,885.38-48,459,092.47

Finding the Fourth Proportional to 89,712,199.69, 123,802,885.38 and 48,459,092.47

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Solution

The fourth proportional to 89,712,199.69, 123,802,885.38 and 48,459,092.47 is: 66,873,574.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,199.69 : 123,802,885.38 = 48,459,092.47 : x
  2. Step 2: Convert to fraction form
    89,712,199.69/123,802,885.38 = 48,459,092.47/x
  3. Step 3: Cross multiply
    89,712,199.69x = 123,802,885.38 × 48,459,092.47
  4. Step 4: Simplify right side
    89,712,199.69x = 5,999,375,470,554,446
  5. Step 5: Solve for x
    x = 5,999,375,470,554,446/89,712,199.69
  6. Step 6: Final answer
    x = 66,873,574.51

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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.