Home / 99,821,041.80-149,731,562.70-35,197,816.20

Finding the Fourth Proportional to 99,821,041.80, 149,731,562.70 and 35,197,816.20

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Solution

The fourth proportional to 99,821,041.80, 149,731,562.70 and 35,197,816.20 is: 52,796,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,821,041.80 : 149,731,562.70 = 35,197,816.20 : x
  2. Step 2: Convert to fraction form
    99,821,041.80/149,731,562.70 = 35,197,816.20/x
  3. Step 3: Cross multiply
    99,821,041.80x = 149,731,562.70 × 35,197,816.20
  4. Step 4: Simplify right side
    99,821,041.80x = 5,270,224,023,253,376
  5. Step 5: Solve for x
    x = 5,270,224,023,253,376/99,821,041.80
  6. Step 6: Final answer
    x = 52,796,724.30

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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.