Home / 89,712,231.28-123,802,929-48,459,124

Finding the Fourth Proportional to 89,712,231.28, 123,802,929 and 48,459,124

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Solution

The fourth proportional to 89,712,231.28, 123,802,929 and 48,459,124 is: 66,873,618.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,231.28 : 123,802,929 = 48,459,124 : x
  2. Step 2: Convert to fraction form
    89,712,231.28/123,802,929 = 48,459,124/x
  3. Step 3: Cross multiply
    89,712,231.28x = 123,802,929 × 48,459,124
  4. Step 4: Simplify right side
    89,712,231.28x = 5,999,381,487,974,196
  5. Step 5: Solve for x
    x = 5,999,381,487,974,196/89,712,231.28
  6. Step 6: Final answer
    x = 66,873,618.04

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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.