Home / 99,744,400.80-149,616,601.20-83,872,029.60

Finding the Fourth Proportional to 99,744,400.80, 149,616,601.20 and 83,872,029.60

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Solution

The fourth proportional to 99,744,400.80, 149,616,601.20 and 83,872,029.60 is: 125,808,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,744,400.80 : 149,616,601.20 = 83,872,029.60 : x
  2. Step 2: Convert to fraction form
    99,744,400.80/149,616,601.20 = 83,872,029.60/x
  3. Step 3: Cross multiply
    99,744,400.80x = 149,616,601.20 × 83,872,029.60
  4. Step 4: Simplify right side
    99,744,400.80x = 12,548,648,004,497,794
  5. Step 5: Solve for x
    x = 12,548,648,004,497,794/99,744,400.80
  6. Step 6: Final answer
    x = 125,808,044.40

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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.