Home / 100,897,603.15-139,238,691.08-54,487,852.98

Finding the Fourth Proportional to 100,897,603.15, 139,238,691.08 and 54,487,852.98

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Solution

The fourth proportional to 100,897,603.15, 139,238,691.08 and 54,487,852.98 is: 75,193,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897,603.15 : 139,238,691.08 = 54,487,852.98 : x
  2. Step 2: Convert to fraction form
    100,897,603.15/139,238,691.08 = 54,487,852.98/x
  3. Step 3: Cross multiply
    100,897,603.15x = 139,238,691.08 × 54,487,852.98
  4. Step 4: Simplify right side
    100,897,603.15x = 7,586,817,328,694,678
  5. Step 5: Solve for x
    x = 7,586,817,328,694,678/100,897,603.15
  6. Step 6: Final answer
    x = 75,193,236.43

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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.