Home / 146,902,972.80-220,165,502.40-89,334,134.40

Finding the Fourth Proportional to 146,902,972.80, 220,165,502.40 and 89,334,134.40

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Solution

The fourth proportional to 146,902,972.80, 220,165,502.40 and 89,334,134.40 is: 133,886,293.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,902,972.80 : 220,165,502.40 = 89,334,134.40 : x
  2. Step 2: Convert to fraction form
    146,902,972.80/220,165,502.40 = 89,334,134.40/x
  3. Step 3: Cross multiply
    146,902,972.80x = 220,165,502.40 × 89,334,134.40
  4. Step 4: Simplify right side
    146,902,972.80x = 19,668,294,581,645,124
  5. Step 5: Solve for x
    x = 19,668,294,581,645,124/146,902,972.80
  6. Step 6: Final answer
    x = 133,886,293.84

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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.