Home / 100,996,371.12-139,374,929.17-54,586,625.04

Finding the Fourth Proportional to 100,996,371.12, 139,374,929.17 and 54,586,625.04

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Solution

The fourth proportional to 100,996,371.12, 139,374,929.17 and 54,586,625.04 is: 75,329,508.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,996,371.12 : 139,374,929.17 = 54,586,625.04 : x
  2. Step 2: Convert to fraction form
    100,996,371.12/139,374,929.17 = 54,586,625.04/x
  3. Step 3: Cross multiply
    100,996,371.12x = 139,374,929.17 × 54,586,625.04
  4. Step 4: Simplify right side
    100,996,371.12x = 7,608,006,999,064,253
  5. Step 5: Solve for x
    x = 7,608,006,999,064,253/100,996,371.12
  6. Step 6: Final answer
    x = 75,329,508.52

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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.