Home / 87,409,259.20-131,113,888.80-42,059,627.20

Finding the Fourth Proportional to 87,409,259.20, 131,113,888.80 and 42,059,627.20

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Solution

The fourth proportional to 87,409,259.20, 131,113,888.80 and 42,059,627.20 is: 63,089,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,409,259.20 : 131,113,888.80 = 42,059,627.20 : x
  2. Step 2: Convert to fraction form
    87,409,259.20/131,113,888.80 = 42,059,627.20/x
  3. Step 3: Cross multiply
    87,409,259.20x = 131,113,888.80 × 42,059,627.20
  4. Step 4: Simplify right side
    87,409,259.20x = 5,514,601,283,670,256
  5. Step 5: Solve for x
    x = 5,514,601,283,670,256/87,409,259.20
  6. Step 6: Final answer
    x = 63,089,440.80

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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.