Home / 99,657,067.20-149,485,600.80-92,004,316.80

Finding the Fourth Proportional to 99,657,067.20, 149,485,600.80 and 92,004,316.80

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Solution

The fourth proportional to 99,657,067.20, 149,485,600.80 and 92,004,316.80 is: 138,006,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,657,067.20 : 149,485,600.80 = 92,004,316.80 : x
  2. Step 2: Convert to fraction form
    99,657,067.20/149,485,600.80 = 92,004,316.80/x
  3. Step 3: Cross multiply
    99,657,067.20x = 149,485,600.80 × 92,004,316.80
  4. Step 4: Simplify right side
    99,657,067.20x = 13,753,320,573,041,534
  5. Step 5: Solve for x
    x = 13,753,320,573,041,534/99,657,067.20
  6. Step 6: Final answer
    x = 138,006,475.20

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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.