Home / 71,957,632.50-99,301,531.32-38,917,884.06

Finding the Fourth Proportional to 71,957,632.50, 99,301,531.32 and 38,917,884.06

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Solution

The fourth proportional to 71,957,632.50, 99,301,531.32 and 38,917,884.06 is: 53,706,679.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,957,632.50 : 99,301,531.32 = 38,917,884.06 : x
  2. Step 2: Convert to fraction form
    71,957,632.50/99,301,531.32 = 38,917,884.06/x
  3. Step 3: Cross multiply
    71,957,632.50x = 99,301,531.32 × 38,917,884.06
  4. Step 4: Simplify right side
    71,957,632.50x = 3,864,605,482,892,218.50
  5. Step 5: Solve for x
    x = 3,864,605,482,892,218.50/71,957,632.50
  6. Step 6: Final answer
    x = 53,706,679.18

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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.