Home / 75,613,272.40-113,167,966.20-69,566,654.80

Finding the Fourth Proportional to 75,613,272.40, 113,167,966.20 and 69,566,654.80

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Solution

The fourth proportional to 75,613,272.40, 113,167,966.20 and 69,566,654.80 is: 104,118,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,613,272.40 : 113,167,966.20 = 69,566,654.80 : x
  2. Step 2: Convert to fraction form
    75,613,272.40/113,167,966.20 = 69,566,654.80/x
  3. Step 3: Cross multiply
    75,613,272.40x = 113,167,966.20 × 69,566,654.80
  4. Step 4: Simplify right side
    75,613,272.40x = 7,872,716,839,053,468
  5. Step 5: Solve for x
    x = 7,872,716,839,053,468/75,613,272.40
  6. Step 6: Final answer
    x = 104,118,187.05

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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.