Home / 105,473,753.12-145,546,722.78-58,427,640.92

Finding the Fourth Proportional to 105,473,753.12, 145,546,722.78 and 58,427,640.92

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Solution

The fourth proportional to 105,473,753.12, 145,546,722.78 and 58,427,640.92 is: 80,626,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,473,753.12 : 145,546,722.78 = 58,427,640.92 : x
  2. Step 2: Convert to fraction form
    105,473,753.12/145,546,722.78 = 58,427,640.92/x
  3. Step 3: Cross multiply
    105,473,753.12x = 145,546,722.78 × 58,427,640.92
  4. Step 4: Simplify right side
    105,473,753.12x = 8,503,951,655,672,624
  5. Step 5: Solve for x
    x = 8,503,951,655,672,624/105,473,753.12
  6. Step 6: Final answer
    x = 80,626,235.48

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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.