Home / 63,316,724.09-87,431,610.70-39,834,401.48

Finding the Fourth Proportional to 63,316,724.09, 87,431,610.70 and 39,834,401.48

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Solution

The fourth proportional to 63,316,724.09, 87,431,610.70 and 39,834,401.48 is: 55,005,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,316,724.09 : 87,431,610.70 = 39,834,401.48 : x
  2. Step 2: Convert to fraction form
    63,316,724.09/87,431,610.70 = 39,834,401.48/x
  3. Step 3: Cross multiply
    63,316,724.09x = 87,431,610.70 × 39,834,401.48
  4. Step 4: Simplify right side
    63,316,724.09x = 3,482,785,882,845,922.50
  5. Step 5: Solve for x
    x = 3,482,785,882,845,922.50/63,316,724.09
  6. Step 6: Final answer
    x = 55,005,781.38

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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.