Home / 131,229,566.55-181,098,321.63-72,491,014.83

Finding the Fourth Proportional to 131,229,566.55, 181,098,321.63 and 72,491,014.83

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Solution

The fourth proportional to 131,229,566.55, 181,098,321.63 and 72,491,014.83 is: 100,038,440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,229,566.55 : 181,098,321.63 = 72,491,014.83 : x
  2. Step 2: Convert to fraction form
    131,229,566.55/181,098,321.63 = 72,491,014.83/x
  3. Step 3: Cross multiply
    131,229,566.55x = 181,098,321.63 × 72,491,014.83
  4. Step 4: Simplify right side
    131,229,566.55x = 13,128,001,118,968,440
  5. Step 5: Solve for x
    x = 13,128,001,118,968,440/131,229,566.55
  6. Step 6: Final answer
    x = 100,038,440.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.