Home / 97,722,923.40-146,584,385.10-74,764,672.20

Finding the Fourth Proportional to 97,722,923.40, 146,584,385.10 and 74,764,672.20

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Solution

The fourth proportional to 97,722,923.40, 146,584,385.10 and 74,764,672.20 is: 112,147,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,722,923.40 : 146,584,385.10 = 74,764,672.20 : x
  2. Step 2: Convert to fraction form
    97,722,923.40/146,584,385.10 = 74,764,672.20/x
  3. Step 3: Cross multiply
    97,722,923.40x = 146,584,385.10 × 74,764,672.20
  4. Step 4: Simplify right side
    97,722,923.40x = 10,959,333,501,640,064
  5. Step 5: Solve for x
    x = 10,959,333,501,640,064/97,722,923.40
  6. Step 6: Final answer
    x = 112,147,008.30

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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.