Home / 125,804,543.82-188,719,727.82-48,146,772.52

Finding the Fourth Proportional to 125,804,543.82, 188,719,727.82 and 48,146,772.52

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Solution

The fourth proportional to 125,804,543.82, 188,719,727.82 and 48,146,772.52 is: 72,225,100.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,804,543.82 : 188,719,727.82 = 48,146,772.52 : x
  2. Step 2: Convert to fraction form
    125,804,543.82/188,719,727.82 = 48,146,772.52/x
  3. Step 3: Cross multiply
    125,804,543.82x = 188,719,727.82 × 48,146,772.52
  4. Step 4: Simplify right side
    125,804,543.82x = 9,086,245,805,385,856
  5. Step 5: Solve for x
    x = 9,086,245,805,385,856/125,804,543.82
  6. Step 6: Final answer
    x = 72,225,100.38

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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.