Home / 114,926,537.80-172,389,806.70-71,844,387.40

Finding the Fourth Proportional to 114,926,537.80, 172,389,806.70 and 71,844,387.40

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Solution

The fourth proportional to 114,926,537.80, 172,389,806.70 and 71,844,387.40 is: 107,766,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,926,537.80 : 172,389,806.70 = 71,844,387.40 : x
  2. Step 2: Convert to fraction form
    114,926,537.80/172,389,806.70 = 71,844,387.40/x
  3. Step 3: Cross multiply
    114,926,537.80x = 172,389,806.70 × 71,844,387.40
  4. Step 4: Simplify right side
    114,926,537.80x = 12,385,240,056,365,916
  5. Step 5: Solve for x
    x = 12,385,240,056,365,916/114,926,537.80
  6. Step 6: Final answer
    x = 107,766,581.10

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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.