Home / 140,555,430.92-193,968,475.61-80,983,803.53

Finding the Fourth Proportional to 140,555,430.92, 193,968,475.61 and 80,983,803.53

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Solution

The fourth proportional to 140,555,430.92, 193,968,475.61 and 80,983,803.53 is: 111,758,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,555,430.92 : 193,968,475.61 = 80,983,803.53 : x
  2. Step 2: Convert to fraction form
    140,555,430.92/193,968,475.61 = 80,983,803.53/x
  3. Step 3: Cross multiply
    140,555,430.92x = 193,968,475.61 × 80,983,803.53
  4. Step 4: Simplify right side
    140,555,430.92x = 15,708,304,918,439,076
  5. Step 5: Solve for x
    x = 15,708,304,918,439,076/140,555,430.92
  6. Step 6: Final answer
    x = 111,758,790.22

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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.