Home / 71,957,630.16-99,301,528.60-38,917,882.17

Finding the Fourth Proportional to 71,957,630.16, 99,301,528.60 and 38,917,882.17

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Solution

The fourth proportional to 71,957,630.16, 99,301,528.60 and 38,917,882.17 is: 53,706,676.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,957,630.16 : 99,301,528.60 = 38,917,882.17 : x
  2. Step 2: Convert to fraction form
    71,957,630.16/99,301,528.60 = 38,917,882.17/x
  3. Step 3: Cross multiply
    71,957,630.16x = 99,301,528.60 × 38,917,882.17
  4. Step 4: Simplify right side
    71,957,630.16x = 3,864,605,189,258,390.50
  5. Step 5: Solve for x
    x = 3,864,605,189,258,390.50/71,957,630.16
  6. Step 6: Final answer
    x = 53,706,676.84

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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.