Home / 91,907,572.80-137,672,402.40-63,186,139.20

Finding the Fourth Proportional to 91,907,572.80, 137,672,402.40 and 63,186,139.20

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Solution

The fourth proportional to 91,907,572.80, 137,672,402.40 and 63,186,139.20 is: 94,649,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,907,572.80 : 137,672,402.40 = 63,186,139.20 : x
  2. Step 2: Convert to fraction form
    91,907,572.80/137,672,402.40 = 63,186,139.20/x
  3. Step 3: Cross multiply
    91,907,572.80x = 137,672,402.40 × 63,186,139.20
  4. Step 4: Simplify right side
    91,907,572.80x = 8,698,987,582,044,815
  5. Step 5: Solve for x
    x = 8,698,987,582,044,815/91,907,572.80
  6. Step 6: Final answer
    x = 94,649,301.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.