Home / 115,881,456.20-173,822,184.30-39,206,985.80

Finding the Fourth Proportional to 115,881,456.20, 173,822,184.30 and 39,206,985.80

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Solution

The fourth proportional to 115,881,456.20, 173,822,184.30 and 39,206,985.80 is: 58,810,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,881,456.20 : 173,822,184.30 = 39,206,985.80 : x
  2. Step 2: Convert to fraction form
    115,881,456.20/173,822,184.30 = 39,206,985.80/x
  3. Step 3: Cross multiply
    115,881,456.20x = 173,822,184.30 × 39,206,985.80
  4. Step 4: Simplify right side
    115,881,456.20x = 6,815,043,911,575,083
  5. Step 5: Solve for x
    x = 6,815,043,911,575,083/115,881,456.20
  6. Step 6: Final answer
    x = 58,810,478.70

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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.