Home / 202,156,697.20-303,235,045.80-65,842,080.70

Finding the Fourth Proportional to 202,156,697.20, 303,235,045.80 and 65,842,080.70

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Solution

The fourth proportional to 202,156,697.20, 303,235,045.80 and 65,842,080.70 is: 98,763,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,156,697.20 : 303,235,045.80 = 65,842,080.70 : x
  2. Step 2: Convert to fraction form
    202,156,697.20/303,235,045.80 = 65,842,080.70/x
  3. Step 3: Cross multiply
    202,156,697.20x = 303,235,045.80 × 65,842,080.70
  4. Step 4: Simplify right side
    202,156,697.20x = 19,965,626,356,631,796
  5. Step 5: Solve for x
    x = 19,965,626,356,631,796/202,156,697.20
  6. Step 6: Final answer
    x = 98,763,121.05

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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.