Home / 115,919,050.60-173,878,575.90-87,008,660.20

Finding the Fourth Proportional to 115,919,050.60, 173,878,575.90 and 87,008,660.20

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Solution

The fourth proportional to 115,919,050.60, 173,878,575.90 and 87,008,660.20 is: 130,512,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,919,050.60 : 173,878,575.90 = 87,008,660.20 : x
  2. Step 2: Convert to fraction form
    115,919,050.60/173,878,575.90 = 87,008,660.20/x
  3. Step 3: Cross multiply
    115,919,050.60x = 173,878,575.90 × 87,008,660.20
  4. Step 4: Simplify right side
    115,919,050.60x = 15,128,941,926,543,010
  5. Step 5: Solve for x
    x = 15,128,941,926,543,010/115,919,050.60
  6. Step 6: Final answer
    x = 130,512,990.30

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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.