Home / 99,810,059.20-149,715,088.80-28,006,475.20

Finding the Fourth Proportional to 99,810,059.20, 149,715,088.80 and 28,006,475.20

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Solution

The fourth proportional to 99,810,059.20, 149,715,088.80 and 28,006,475.20 is: 42,009,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,810,059.20 : 149,715,088.80 = 28,006,475.20 : x
  2. Step 2: Convert to fraction form
    99,810,059.20/149,715,088.80 = 28,006,475.20/x
  3. Step 3: Cross multiply
    99,810,059.20x = 149,715,088.80 × 28,006,475.20
  4. Step 4: Simplify right side
    99,810,059.20x = 4,192,991,921,542,998
  5. Step 5: Solve for x
    x = 4,192,991,921,542,998/99,810,059.20
  6. Step 6: Final answer
    x = 42,009,712.80

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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.