Home / 157,522,149.60-235,905,310.80-76,648,639.20

Finding the Fourth Proportional to 157,522,149.60, 235,905,310.80 and 76,648,639.20

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Solution

The fourth proportional to 157,522,149.60, 235,905,310.80 and 76,648,639.20 is: 114,789,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,522,149.60 : 235,905,310.80 = 76,648,639.20 : x
  2. Step 2: Convert to fraction form
    157,522,149.60/235,905,310.80 = 76,648,639.20/x
  3. Step 3: Cross multiply
    157,522,149.60x = 235,905,310.80 × 76,648,639.20
  4. Step 4: Simplify right side
    157,522,149.60x = 18,081,821,052,873,064
  5. Step 5: Solve for x
    x = 18,081,821,052,873,064/157,522,149.60
  6. Step 6: Final answer
    x = 114,789,069.97

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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.