Home / 125,686,577.07-173,444,757.78-72,765,516.45

Finding the Fourth Proportional to 125,686,577.07, 173,444,757.78 and 72,765,516.45

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Solution

The fourth proportional to 125,686,577.07, 173,444,757.78 and 72,765,516.45 is: 100,414,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,686,577.07 : 173,444,757.78 = 72,765,516.45 : x
  2. Step 2: Convert to fraction form
    125,686,577.07/173,444,757.78 = 72,765,516.45/x
  3. Step 3: Cross multiply
    125,686,577.07x = 173,444,757.78 × 72,765,516.45
  4. Step 4: Simplify right side
    125,686,577.07x = 12,620,797,375,406,856
  5. Step 5: Solve for x
    x = 12,620,797,375,406,856/125,686,577.07
  6. Step 6: Final answer
    x = 100,414,838.80

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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.