Home / 146,780,400.70-220,170,601.05-98,407,459.90

Finding the Fourth Proportional to 146,780,400.70, 220,170,601.05 and 98,407,459.90

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Solution

The fourth proportional to 146,780,400.70, 220,170,601.05 and 98,407,459.90 is: 147,611,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,780,400.70 : 220,170,601.05 = 98,407,459.90 : x
  2. Step 2: Convert to fraction form
    146,780,400.70/220,170,601.05 = 98,407,459.90/x
  3. Step 3: Cross multiply
    146,780,400.70x = 220,170,601.05 × 98,407,459.90
  4. Step 4: Simplify right side
    146,780,400.70x = 21,666,429,593,986,776
  5. Step 5: Solve for x
    x = 21,666,429,593,986,776/146,780,400.70
  6. Step 6: Final answer
    x = 147,611,189.85

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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.