Home / 87,404,459.34-120,618,135.66-48,246,225.87

Finding the Fourth Proportional to 87,404,459.34, 120,618,135.66 and 48,246,225.87

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Solution

The fourth proportional to 87,404,459.34, 120,618,135.66 and 48,246,225.87 is: 66,579,781.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,404,459.34 : 120,618,135.66 = 48,246,225.87 : x
  2. Step 2: Convert to fraction form
    87,404,459.34/120,618,135.66 = 48,246,225.87/x
  3. Step 3: Cross multiply
    87,404,459.34x = 120,618,135.66 × 48,246,225.87
  4. Step 4: Simplify right side
    87,404,459.34x = 5,819,369,817,070,661
  5. Step 5: Solve for x
    x = 5,819,369,817,070,661/87,404,459.34
  6. Step 6: Final answer
    x = 66,579,781.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.