Home / 126,279,098.40-189,418,647.60-58,254,650.40

Finding the Fourth Proportional to 126,279,098.40, 189,418,647.60 and 58,254,650.40

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Solution

The fourth proportional to 126,279,098.40, 189,418,647.60 and 58,254,650.40 is: 87,381,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,279,098.40 : 189,418,647.60 = 58,254,650.40 : x
  2. Step 2: Convert to fraction form
    126,279,098.40/189,418,647.60 = 58,254,650.40/x
  3. Step 3: Cross multiply
    126,279,098.40x = 189,418,647.60 × 58,254,650.40
  4. Step 4: Simplify right side
    126,279,098.40x = 11,034,517,095,178,798
  5. Step 5: Solve for x
    x = 11,034,517,095,178,798/126,279,098.40
  6. Step 6: Final answer
    x = 87,381,975.60

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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.