Home / 146,709,872.80-220,064,809.20-89,314,244.80

Finding the Fourth Proportional to 146,709,872.80, 220,064,809.20 and 89,314,244.80

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Solution

The fourth proportional to 146,709,872.80, 220,064,809.20 and 89,314,244.80 is: 133,971,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,709,872.80 : 220,064,809.20 = 89,314,244.80 : x
  2. Step 2: Convert to fraction form
    146,709,872.80/220,064,809.20 = 89,314,244.80/x
  3. Step 3: Cross multiply
    146,709,872.80x = 220,064,809.20 × 89,314,244.80
  4. Step 4: Simplify right side
    146,709,872.80x = 19,654,922,240,754,092
  5. Step 5: Solve for x
    x = 19,654,922,240,754,092/146,709,872.80
  6. Step 6: Final answer
    x = 133,971,367.20

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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.