Home / 103,063,624.56-142,229,568.60-56,655,834.48

Finding the Fourth Proportional to 103,063,624.56, 142,229,568.60 and 56,655,834.48

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Solution

The fourth proportional to 103,063,624.56, 142,229,568.60 and 56,655,834.48 is: 78,186,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,063,624.56 : 142,229,568.60 = 56,655,834.48 : x
  2. Step 2: Convert to fraction form
    103,063,624.56/142,229,568.60 = 56,655,834.48/x
  3. Step 3: Cross multiply
    103,063,624.56x = 142,229,568.60 × 56,655,834.48
  4. Step 4: Simplify right side
    103,063,624.56x = 8,058,134,896,763,405
  5. Step 5: Solve for x
    x = 8,058,134,896,763,405/103,063,624.56
  6. Step 6: Final answer
    x = 78,186,022.77

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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.