Home / 71,189,931.64-98,245,920.13-39,826,109.63

Finding the Fourth Proportional to 71,189,931.64, 98,245,920.13 and 39,826,109.63

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Solution

The fourth proportional to 71,189,931.64, 98,245,920.13 and 39,826,109.63 is: 54,962,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,189,931.64 : 98,245,920.13 = 39,826,109.63 : x
  2. Step 2: Convert to fraction form
    71,189,931.64/98,245,920.13 = 39,826,109.63/x
  3. Step 3: Cross multiply
    71,189,931.64x = 98,245,920.13 × 39,826,109.63
  4. Step 4: Simplify right side
    71,189,931.64x = 3,912,752,785,206,809
  5. Step 5: Solve for x
    x = 3,912,752,785,206,809/71,189,931.64
  6. Step 6: Final answer
    x = 54,962,165.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.