Home / 131,225,695.20-181,087,950.87-72,487,096.11

Finding the Fourth Proportional to 131,225,695.20, 181,087,950.87 and 72,487,096.11

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Solution

The fourth proportional to 131,225,695.20, 181,087,950.87 and 72,487,096.11 is: 100,030,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,225,695.20 : 181,087,950.87 = 72,487,096.11 : x
  2. Step 2: Convert to fraction form
    131,225,695.20/181,087,950.87 = 72,487,096.11/x
  3. Step 3: Cross multiply
    131,225,695.20x = 181,087,950.87 × 72,487,096.11
  4. Step 4: Simplify right side
    131,225,695.20x = 13,126,539,699,076,648
  5. Step 5: Solve for x
    x = 13,126,539,699,076,648/131,225,695.20
  6. Step 6: Final answer
    x = 100,030,254.59

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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.