Home / 65,551,641.12-90,461,269.67-36,182,981.21

Finding the Fourth Proportional to 65,551,641.12, 90,461,269.67 and 36,182,981.21

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Solution

The fourth proportional to 65,551,641.12, 90,461,269.67 and 36,182,981.21 is: 49,932,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,551,641.12 : 90,461,269.67 = 36,182,981.21 : x
  2. Step 2: Convert to fraction form
    65,551,641.12/90,461,269.67 = 36,182,981.21/x
  3. Step 3: Cross multiply
    65,551,641.12x = 90,461,269.67 × 36,182,981.21
  4. Step 4: Simplify right side
    65,551,641.12x = 3,273,158,420,069,131.50
  5. Step 5: Solve for x
    x = 3,273,158,420,069,131.50/65,551,641.12
  6. Step 6: Final answer
    x = 49,932,516.78

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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.