Home / 124,419,946.60-186,303,327.90-87,830,756.20

Finding the Fourth Proportional to 124,419,946.60, 186,303,327.90 and 87,830,756.20

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Solution

The fourth proportional to 124,419,946.60, 186,303,327.90 and 87,830,756.20 is: 131,515,585.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,419,946.60 : 186,303,327.90 = 87,830,756.20 : x
  2. Step 2: Convert to fraction form
    124,419,946.60/186,303,327.90 = 87,830,756.20/x
  3. Step 3: Cross multiply
    124,419,946.60x = 186,303,327.90 × 87,830,756.20
  4. Step 4: Simplify right side
    124,419,946.60x = 16,363,162,172,033,560
  5. Step 5: Solve for x
    x = 16,363,162,172,033,560/124,419,946.60
  6. Step 6: Final answer
    x = 131,515,585.88

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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.