Home / 115,673,862.60-173,794,229.10-86,976,048.60

Finding the Fourth Proportional to 115,673,862.60, 173,794,229.10 and 86,976,048.60

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Solution

The fourth proportional to 115,673,862.60, 173,794,229.10 and 86,976,048.60 is: 130,677,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,673,862.60 : 173,794,229.10 = 86,976,048.60 : x
  2. Step 2: Convert to fraction form
    115,673,862.60/173,794,229.10 = 86,976,048.60/x
  3. Step 3: Cross multiply
    115,673,862.60x = 173,794,229.10 × 86,976,048.60
  4. Step 4: Simplify right side
    115,673,862.60x = 15,115,935,316,601,132
  5. Step 5: Solve for x
    x = 15,115,935,316,601,132/115,673,862.60
  6. Step 6: Final answer
    x = 130,677,189.96

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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.