Home / 115,881,451.20-173,822,176.80-39,206,980.80

Finding the Fourth Proportional to 115,881,451.20, 173,822,176.80 and 39,206,980.80

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Solution

The fourth proportional to 115,881,451.20, 173,822,176.80 and 39,206,980.80 is: 58,810,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,881,451.20 : 173,822,176.80 = 39,206,980.80 : x
  2. Step 2: Convert to fraction form
    115,881,451.20/173,822,176.80 = 39,206,980.80/x
  3. Step 3: Cross multiply
    115,881,451.20x = 173,822,176.80 × 39,206,980.80
  4. Step 4: Simplify right side
    115,881,451.20x = 6,815,042,748,411,805
  5. Step 5: Solve for x
    x = 6,815,042,748,411,805/115,881,451.20
  6. Step 6: Final answer
    x = 58,810,471.20

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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.