Home / 65,938,948.07-90,912,122.19-47,123,003.66

Finding the Fourth Proportional to 65,938,948.07, 90,912,122.19 and 47,123,003.66

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Solution

The fourth proportional to 65,938,948.07, 90,912,122.19 and 47,123,003.66 is: 64,969,981.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,938,948.07 : 90,912,122.19 = 47,123,003.66 : x
  2. Step 2: Convert to fraction form
    65,938,948.07/90,912,122.19 = 47,123,003.66/x
  3. Step 3: Cross multiply
    65,938,948.07x = 90,912,122.19 × 47,123,003.66
  4. Step 4: Simplify right side
    65,938,948.07x = 4,284,052,266,243,176.50
  5. Step 5: Solve for x
    x = 4,284,052,266,243,176.50/65,938,948.07
  6. Step 6: Final answer
    x = 64,969,981.96

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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.