Home / 132,872,809.80-199,309,214.70-42,024,246.60

Finding the Fourth Proportional to 132,872,809.80, 199,309,214.70 and 42,024,246.60

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Solution

The fourth proportional to 132,872,809.80, 199,309,214.70 and 42,024,246.60 is: 63,036,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,872,809.80 : 199,309,214.70 = 42,024,246.60 : x
  2. Step 2: Convert to fraction form
    132,872,809.80/199,309,214.70 = 42,024,246.60/x
  3. Step 3: Cross multiply
    132,872,809.80x = 199,309,214.70 × 42,024,246.60
  4. Step 4: Simplify right side
    132,872,809.80x = 8,375,819,588,205,145
  5. Step 5: Solve for x
    x = 8,375,819,588,205,145/132,872,809.80
  6. Step 6: Final answer
    x = 63,036,369.90

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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.