Home / 83,753,830-125,630,790.90-38,283,738.04

Finding the Fourth Proportional to 83,753,830, 125,630,790.90 and 38,283,738.04

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Solution

The fourth proportional to 83,753,830, 125,630,790.90 and 38,283,738.04 is: 57,425,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,753,830 : 125,630,790.90 = 38,283,738.04 : x
  2. Step 2: Convert to fraction form
    83,753,830/125,630,790.90 = 38,283,738.04/x
  3. Step 3: Cross multiply
    83,753,830x = 125,630,790.90 × 38,283,738.04
  4. Step 4: Simplify right side
    83,753,830x = 4,809,616,288,573,616
  5. Step 5: Solve for x
    x = 4,809,616,288,573,616/83,753,830
  6. Step 6: Final answer
    x = 57,425,628.04

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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.