Home / 89,712,160.16-123,802,830.78-48,459,052.76

Finding the Fourth Proportional to 89,712,160.16, 123,802,830.78 and 48,459,052.76

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Solution

The fourth proportional to 89,712,160.16, 123,802,830.78 and 48,459,052.76 is: 66,873,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,160.16 : 123,802,830.78 = 48,459,052.76 : x
  2. Step 2: Convert to fraction form
    89,712,160.16/123,802,830.78 = 48,459,052.76/x
  3. Step 3: Cross multiply
    89,712,160.16x = 123,802,830.78 × 48,459,052.76
  4. Step 4: Simplify right side
    89,712,160.16x = 5,999,367,908,605,372
  5. Step 5: Solve for x
    x = 5,999,367,908,605,372/89,712,160.16
  6. Step 6: Final answer
    x = 66,873,519.69

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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.