Home / 101,261,289.18-139,741,250.02-54,851,543.10

Finding the Fourth Proportional to 101,261,289.18, 139,741,250.02 and 54,851,543.10

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Solution

The fourth proportional to 101,261,289.18, 139,741,250.02 and 54,851,543.10 is: 75,695,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,261,289.18 : 139,741,250.02 = 54,851,543.10 : x
  2. Step 2: Convert to fraction form
    101,261,289.18/139,741,250.02 = 54,851,543.10/x
  3. Step 3: Cross multiply
    101,261,289.18x = 139,741,250.02 × 54,851,543.10
  4. Step 4: Simplify right side
    101,261,289.18x = 7,665,023,198,319,907
  5. Step 5: Solve for x
    x = 7,665,023,198,319,907/101,261,289.18
  6. Step 6: Final answer
    x = 75,695,492.92

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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.