Home / 103,887,428.96-143,368,872-57,476,927

Finding the Fourth Proportional to 103,887,428.96, 143,368,872 and 57,476,927

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Solution

The fourth proportional to 103,887,428.96, 143,368,872 and 57,476,927 is: 79,320,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,887,428.96 : 143,368,872 = 57,476,927 : x
  2. Step 2: Convert to fraction form
    103,887,428.96/143,368,872 = 57,476,927/x
  3. Step 3: Cross multiply
    103,887,428.96x = 143,368,872 × 57,476,927
  4. Step 4: Simplify right side
    103,887,428.96x = 8,240,402,190,016,344
  5. Step 5: Solve for x
    x = 8,240,402,190,016,344/103,887,428.96
  6. Step 6: Final answer
    x = 79,320,494.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.