Home / 83,542,564.89-125,313,341.90-45,446,191.29

Finding the Fourth Proportional to 83,542,564.89, 125,313,341.90 and 45,446,191.29

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Solution

The fourth proportional to 83,542,564.89, 125,313,341.90 and 45,446,191.29 is: 68,169,011.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,542,564.89 : 125,313,341.90 = 45,446,191.29 : x
  2. Step 2: Convert to fraction form
    83,542,564.89/125,313,341.90 = 45,446,191.29/x
  3. Step 3: Cross multiply
    83,542,564.89x = 125,313,341.90 × 45,446,191.29
  4. Step 4: Simplify right side
    83,542,564.89x = 5,695,014,106,949,341
  5. Step 5: Solve for x
    x = 5,695,014,106,949,341/83,542,564.89
  6. Step 6: Final answer
    x = 68,169,011.98

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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.