Home / 87,954,503.68-121,391,784.12-48,808,854.64

Finding the Fourth Proportional to 87,954,503.68, 121,391,784.12 and 48,808,854.64

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Solution

The fourth proportional to 87,954,503.68, 121,391,784.12 and 48,808,854.64 is: 67,364,304.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,954,503.68 : 121,391,784.12 = 48,808,854.64 : x
  2. Step 2: Convert to fraction form
    87,954,503.68/121,391,784.12 = 48,808,854.64/x
  3. Step 3: Cross multiply
    87,954,503.68x = 121,391,784.12 × 48,808,854.64
  4. Step 4: Simplify right side
    87,954,503.68x = 5,924,993,945,603,341
  5. Step 5: Solve for x
    x = 5,924,993,945,603,341/87,954,503.68
  6. Step 6: Final answer
    x = 67,364,304.24

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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.