Home / 146,709,938.80-220,064,908.20-132,097,279.60

Finding the Fourth Proportional to 146,709,938.80, 220,064,908.20 and 132,097,279.60

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Solution

The fourth proportional to 146,709,938.80, 220,064,908.20 and 132,097,279.60 is: 198,145,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,709,938.80 : 220,064,908.20 = 132,097,279.60 : x
  2. Step 2: Convert to fraction form
    146,709,938.80/220,064,908.20 = 132,097,279.60/x
  3. Step 3: Cross multiply
    146,709,938.80x = 220,064,908.20 × 132,097,279.60
  4. Step 4: Simplify right side
    146,709,938.80x = 29,069,975,708,643,728
  5. Step 5: Solve for x
    x = 29,069,975,708,643,728/146,709,938.80
  6. Step 6: Final answer
    x = 198,145,919.40

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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.