Home / 115,654,424.85-173,482,235.46-38,978,117.37

Finding the Fourth Proportional to 115,654,424.85, 173,482,235.46 and 38,978,117.37

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Solution

The fourth proportional to 115,654,424.85, 173,482,235.46 and 38,978,117.37 is: 58,467,377.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,654,424.85 : 173,482,235.46 = 38,978,117.37 : x
  2. Step 2: Convert to fraction form
    115,654,424.85/173,482,235.46 = 38,978,117.37/x
  3. Step 3: Cross multiply
    115,654,424.85x = 173,482,235.46 × 38,978,117.37
  4. Step 4: Simplify right side
    115,654,424.85x = 6,762,010,935,369,856
  5. Step 5: Solve for x
    x = 6,762,010,935,369,856/115,654,424.85
  6. Step 6: Final answer
    x = 58,467,377.66

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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.