Home / 115,098,554.25-172,732,861.98-54,514,280.25

Finding the Fourth Proportional to 115,098,554.25, 172,732,861.98 and 54,514,280.25

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Solution

The fourth proportional to 115,098,554.25, 172,732,861.98 and 54,514,280.25 is: 81,811,693.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,098,554.25 : 172,732,861.98 = 54,514,280.25 : x
  2. Step 2: Convert to fraction form
    115,098,554.25/172,732,861.98 = 54,514,280.25/x
  3. Step 3: Cross multiply
    115,098,554.25x = 172,732,861.98 × 54,514,280.25
  4. Step 4: Simplify right side
    115,098,554.25x = 9,416,407,646,362,290
  5. Step 5: Solve for x
    x = 9,416,407,646,362,290/115,098,554.25
  6. Step 6: Final answer
    x = 81,811,693.53

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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.