Home / 87,409,246.20-131,113,869.30-42,059,614.20

Finding the Fourth Proportional to 87,409,246.20, 131,113,869.30 and 42,059,614.20

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Solution

The fourth proportional to 87,409,246.20, 131,113,869.30 and 42,059,614.20 is: 63,089,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,409,246.20 : 131,113,869.30 = 42,059,614.20 : x
  2. Step 2: Convert to fraction form
    87,409,246.20/131,113,869.30 = 42,059,614.20/x
  3. Step 3: Cross multiply
    87,409,246.20x = 131,113,869.30 × 42,059,614.20
  4. Step 4: Simplify right side
    87,409,246.20x = 5,514,598,759,027,224
  5. Step 5: Solve for x
    x = 5,514,598,759,027,224/87,409,246.20
  6. Step 6: Final answer
    x = 63,089,421.30

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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.