Home / 67,157,028.10-100,735,542.15-61,782,256.90

Finding the Fourth Proportional to 67,157,028.10, 100,735,542.15 and 61,782,256.90

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Solution

The fourth proportional to 67,157,028.10, 100,735,542.15 and 61,782,256.90 is: 92,673,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,157,028.10 : 100,735,542.15 = 61,782,256.90 : x
  2. Step 2: Convert to fraction form
    67,157,028.10/100,735,542.15 = 61,782,256.90/x
  3. Step 3: Cross multiply
    67,157,028.10x = 100,735,542.15 × 61,782,256.90
  4. Step 4: Simplify right side
    67,157,028.10x = 6,223,669,144,072,079
  5. Step 5: Solve for x
    x = 6,223,669,144,072,079/67,157,028.10
  6. Step 6: Final answer
    x = 92,673,385.35

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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.