Home / 67,156,980.10-100,735,470.15-61,782,208.90

Finding the Fourth Proportional to 67,156,980.10, 100,735,470.15 and 61,782,208.90

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Solution

The fourth proportional to 67,156,980.10, 100,735,470.15 and 61,782,208.90 is: 92,673,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,156,980.10 : 100,735,470.15 = 61,782,208.90 : x
  2. Step 2: Convert to fraction form
    67,156,980.10/100,735,470.15 = 61,782,208.90/x
  3. Step 3: Cross multiply
    67,156,980.10x = 100,735,470.15 × 61,782,208.90
  4. Step 4: Simplify right side
    67,156,980.10x = 6,223,659,860,447,015
  5. Step 5: Solve for x
    x = 6,223,659,860,447,015/67,156,980.10
  6. Step 6: Final answer
    x = 92,673,313.35

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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.