Home / 87,430,187.60-131,145,281.40-26,838,040.40

Finding the Fourth Proportional to 87,430,187.60, 131,145,281.40 and 26,838,040.40

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Solution

The fourth proportional to 87,430,187.60, 131,145,281.40 and 26,838,040.40 is: 40,257,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,430,187.60 : 131,145,281.40 = 26,838,040.40 : x
  2. Step 2: Convert to fraction form
    87,430,187.60/131,145,281.40 = 26,838,040.40/x
  3. Step 3: Cross multiply
    87,430,187.60x = 131,145,281.40 × 26,838,040.40
  4. Step 4: Simplify right side
    87,430,187.60x = 3,519,682,360,482,568.50
  5. Step 5: Solve for x
    x = 3,519,682,360,482,568.50/87,430,187.60
  6. Step 6: Final answer
    x = 40,257,060.60

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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.