Home / 136,897,543,378.80-188,700,326,261.96-107,914,468,624.29

Finding the Fourth Proportional to 136,897,543,378.80, 188,700,326,261.96 and 107,914,468,624.29

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Solution

The fourth proportional to 136,897,543,378.80, 188,700,326,261.96 and 107,914,468,624.29 is: 148,749,896,712.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,897,543,378.80 : 188,700,326,261.96 = 107,914,468,624.29 : x
  2. Step 2: Convert to fraction form
    136,897,543,378.80/188,700,326,261.96 = 107,914,468,624.29/x
  3. Step 3: Cross multiply
    136,897,543,378.80x = 188,700,326,261.96 × 107,914,468,624.29
  4. Step 4: Simplify right side
    136,897,543,378.80x = 20,363,495,437,789,567,123,456
  5. Step 5: Solve for x
    x = 20,363,495,437,789,567,123,456/136,897,543,378.80
  6. Step 6: Final answer
    x = 148,749,896,712.49

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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.