Home / 146,915,821.80-220,184,775.90-89,346,983.40

Finding the Fourth Proportional to 146,915,821.80, 220,184,775.90 and 89,346,983.40

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Solution

The fourth proportional to 146,915,821.80, 220,184,775.90 and 89,346,983.40 is: 133,905,560.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,915,821.80 : 220,184,775.90 = 89,346,983.40 : x
  2. Step 2: Convert to fraction form
    146,915,821.80/220,184,775.90 = 89,346,983.40/x
  3. Step 3: Cross multiply
    146,915,821.80x = 220,184,775.90 × 89,346,983.40
  4. Step 4: Simplify right side
    146,915,821.80x = 19,672,845,517,270,020
  5. Step 5: Solve for x
    x = 19,672,845,517,270,020/146,915,821.80
  6. Step 6: Final answer
    x = 133,905,560.86

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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.