Home / 86,325,055.60-129,466,847.40-49,854,578.80

Finding the Fourth Proportional to 86,325,055.60, 129,466,847.40 and 49,854,578.80

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Solution

The fourth proportional to 86,325,055.60, 129,466,847.40 and 49,854,578.80 is: 74,769,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,325,055.60 : 129,466,847.40 = 49,854,578.80 : x
  2. Step 2: Convert to fraction form
    86,325,055.60/129,466,847.40 = 49,854,578.80/x
  3. Step 3: Cross multiply
    86,325,055.60x = 129,466,847.40 × 49,854,578.80
  4. Step 4: Simplify right side
    86,325,055.60x = 6,454,515,145,690,875
  5. Step 5: Solve for x
    x = 6,454,515,145,690,875/86,325,055.60
  6. Step 6: Final answer
    x = 74,769,892.71

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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.