Home / 87,322,009.60-130,983,014.40-61,791,846.40

Finding the Fourth Proportional to 87,322,009.60, 130,983,014.40 and 61,791,846.40

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Solution

The fourth proportional to 87,322,009.60, 130,983,014.40 and 61,791,846.40 is: 92,687,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,322,009.60 : 130,983,014.40 = 61,791,846.40 : x
  2. Step 2: Convert to fraction form
    87,322,009.60/130,983,014.40 = 61,791,846.40/x
  3. Step 3: Cross multiply
    87,322,009.60x = 130,983,014.40 × 61,791,846.40
  4. Step 4: Simplify right side
    87,322,009.60x = 8,093,682,306,813,788
  5. Step 5: Solve for x
    x = 8,093,682,306,813,788/87,322,009.60
  6. Step 6: Final answer
    x = 92,687,769.60

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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.