Home / 115,477,685.40-173,384,489.70-86,924,213.40

Finding the Fourth Proportional to 115,477,685.40, 173,384,489.70 and 86,924,213.40

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Solution

The fourth proportional to 115,477,685.40, 173,384,489.70 and 86,924,213.40 is: 130,512,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,477,685.40 : 173,384,489.70 = 86,924,213.40 : x
  2. Step 2: Convert to fraction form
    115,477,685.40/173,384,489.70 = 86,924,213.40/x
  3. Step 3: Cross multiply
    115,477,685.40x = 173,384,489.70 × 86,924,213.40
  4. Step 4: Simplify right side
    115,477,685.40x = 15,071,310,382,932,902
  5. Step 5: Solve for x
    x = 15,071,310,382,932,902/115,477,685.40
  6. Step 6: Final answer
    x = 130,512,750.85

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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.