Home / 73,744,490.40-110,616,735.60-66,438,160.80

Finding the Fourth Proportional to 73,744,490.40, 110,616,735.60 and 66,438,160.80

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Solution

The fourth proportional to 73,744,490.40, 110,616,735.60 and 66,438,160.80 is: 99,657,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,744,490.40 : 110,616,735.60 = 66,438,160.80 : x
  2. Step 2: Convert to fraction form
    73,744,490.40/110,616,735.60 = 66,438,160.80/x
  3. Step 3: Cross multiply
    73,744,490.40x = 110,616,735.60 × 66,438,160.80
  4. Step 4: Simplify right side
    73,744,490.40x = 7,349,172,466,963,884
  5. Step 5: Solve for x
    x = 7,349,172,466,963,884/73,744,490.40
  6. Step 6: Final answer
    x = 99,657,241.20

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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.