Home / 89,712,225.38-123,802,920.84-48,459,118.16

Finding the Fourth Proportional to 89,712,225.38, 123,802,920.84 and 48,459,118.16

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Solution

The fourth proportional to 89,712,225.38, 123,802,920.84 and 48,459,118.16 is: 66,873,609.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,225.38 : 123,802,920.84 = 48,459,118.16 : x
  2. Step 2: Convert to fraction form
    89,712,225.38/123,802,920.84 = 48,459,118.16/x
  3. Step 3: Cross multiply
    89,712,225.38x = 123,802,920.84 × 48,459,118.16
  4. Step 4: Simplify right side
    89,712,225.38x = 5,999,380,368,919,672
  5. Step 5: Solve for x
    x = 5,999,380,368,919,672/89,712,225.38
  6. Step 6: Final answer
    x = 66,873,609.97

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1.5x scale

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.