Home / 146,902,856.80-220,165,328.40-89,334,018.40

Finding the Fourth Proportional to 146,902,856.80, 220,165,328.40 and 89,334,018.40

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Solution

The fourth proportional to 146,902,856.80, 220,165,328.40 and 89,334,018.40 is: 133,886,119.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,902,856.80 : 220,165,328.40 = 89,334,018.40 : x
  2. Step 2: Convert to fraction form
    146,902,856.80/220,165,328.40 = 89,334,018.40/x
  3. Step 3: Cross multiply
    146,902,856.80x = 220,165,328.40 × 89,334,018.40
  4. Step 4: Simplify right side
    146,902,856.80x = 19,668,253,498,327,644
  5. Step 5: Solve for x
    x = 19,668,253,498,327,644/146,902,856.80
  6. Step 6: Final answer
    x = 133,886,119.89

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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.