Home / 87,430,156.60-131,145,234.90-26,838,009.40

Finding the Fourth Proportional to 87,430,156.60, 131,145,234.90 and 26,838,009.40

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Solution

The fourth proportional to 87,430,156.60, 131,145,234.90 and 26,838,009.40 is: 40,257,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,430,156.60 : 131,145,234.90 = 26,838,009.40 : x
  2. Step 2: Convert to fraction form
    87,430,156.60/131,145,234.90 = 26,838,009.40/x
  3. Step 3: Cross multiply
    87,430,156.60x = 131,145,234.90 × 26,838,009.40
  4. Step 4: Simplify right side
    87,430,156.60x = 3,519,677,047,011,408
  5. Step 5: Solve for x
    x = 3,519,677,047,011,408/87,430,156.60
  6. Step 6: Final answer
    x = 40,257,014.10

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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.