Home / 146,679,278.70-220,018,958.82-54,550,979.50

Finding the Fourth Proportional to 146,679,278.70, 220,018,958.82 and 54,550,979.50

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Solution

The fourth proportional to 146,679,278.70, 220,018,958.82 and 54,550,979.50 is: 81,826,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,679,278.70 : 220,018,958.82 = 54,550,979.50 : x
  2. Step 2: Convert to fraction form
    146,679,278.70/220,018,958.82 = 54,550,979.50/x
  3. Step 3: Cross multiply
    146,679,278.70x = 220,018,958.82 × 54,550,979.50
  4. Step 4: Simplify right side
    146,679,278.70x = 12,002,249,712,201,164
  5. Step 5: Solve for x
    x = 12,002,249,712,201,164/146,679,278.70
  6. Step 6: Final answer
    x = 81,826,484.41

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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.