Home / 144,582,833.30-199,527,777.05-78,506,116.56

Finding the Fourth Proportional to 144,582,833.30, 199,527,777.05 and 78,506,116.56

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Solution

The fourth proportional to 144,582,833.30, 199,527,777.05 and 78,506,116.56 is: 108,340,323.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,582,833.30 : 199,527,777.05 = 78,506,116.56 : x
  2. Step 2: Convert to fraction form
    144,582,833.30/199,527,777.05 = 78,506,116.56/x
  3. Step 3: Cross multiply
    144,582,833.30x = 199,527,777.05 × 78,506,116.56
  4. Step 4: Simplify right side
    144,582,833.30x = 15,664,150,921,652,462
  5. Step 5: Solve for x
    x = 15,664,150,921,652,462/144,582,833.30
  6. Step 6: Final answer
    x = 108,340,323.43

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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.