Home / 87,018,548.40-130,527,822.60-26,426,401.20

Finding the Fourth Proportional to 87,018,548.40, 130,527,822.60 and 26,426,401.20

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Solution

The fourth proportional to 87,018,548.40, 130,527,822.60 and 26,426,401.20 is: 39,639,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,018,548.40 : 130,527,822.60 = 26,426,401.20 : x
  2. Step 2: Convert to fraction form
    87,018,548.40/130,527,822.60 = 26,426,401.20/x
  3. Step 3: Cross multiply
    87,018,548.40x = 130,527,822.60 × 26,426,401.20
  4. Step 4: Simplify right side
    87,018,548.40x = 3,449,380,607,790,027
  5. Step 5: Solve for x
    x = 3,449,380,607,790,027/87,018,548.40
  6. Step 6: Final answer
    x = 39,639,601.80

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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.