Home / 247,049,785.60-370,664,534.40-85,508,051.20

Finding the Fourth Proportional to 247,049,785.60, 370,664,534.40 and 85,508,051.20

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Solution

The fourth proportional to 247,049,785.60, 370,664,534.40 and 85,508,051.20 is: 128,293,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,049,785.60 : 370,664,534.40 = 85,508,051.20 : x
  2. Step 2: Convert to fraction form
    247,049,785.60/370,664,534.40 = 85,508,051.20/x
  3. Step 3: Cross multiply
    247,049,785.60x = 370,664,534.40 × 85,508,051.20
  4. Step 4: Simplify right side
    247,049,785.60x = 31,694,801,985,499,360
  5. Step 5: Solve for x
    x = 31,694,801,985,499,360/247,049,785.60
  6. Step 6: Final answer
    x = 128,293,177.46

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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.