Home / 168,498,977.40-252,776,459.70-66,266,350.20

Finding the Fourth Proportional to 168,498,977.40, 252,776,459.70 and 66,266,350.20

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Solution

The fourth proportional to 168,498,977.40, 252,776,459.70 and 66,266,350.20 is: 99,410,534.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,498,977.40 : 252,776,459.70 = 66,266,350.20 : x
  2. Step 2: Convert to fraction form
    168,498,977.40/252,776,459.70 = 66,266,350.20/x
  3. Step 3: Cross multiply
    168,498,977.40x = 252,776,459.70 × 66,266,350.20
  4. Step 4: Simplify right side
    168,498,977.40x = 16,750,573,400,796,386
  5. Step 5: Solve for x
    x = 16,750,573,400,796,386/168,498,977.40
  6. Step 6: Final answer
    x = 99,410,534.47

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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.