Home / 86,325,025.60-129,466,802.40-49,854,548.80

Finding the Fourth Proportional to 86,325,025.60, 129,466,802.40 and 49,854,548.80

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Solution

The fourth proportional to 86,325,025.60, 129,466,802.40 and 49,854,548.80 is: 74,769,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,325,025.60 : 129,466,802.40 = 49,854,548.80 : x
  2. Step 2: Convert to fraction form
    86,325,025.60/129,466,802.40 = 49,854,548.80/x
  3. Step 3: Cross multiply
    86,325,025.60x = 129,466,802.40 × 49,854,548.80
  4. Step 4: Simplify right side
    86,325,025.60x = 6,454,509,018,230,757
  5. Step 5: Solve for x
    x = 6,454,509,018,230,757/86,325,025.60
  6. Step 6: Final answer
    x = 74,769,847.72

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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.