Home / 58,752,313.20-88,128,469.80-45,315,385.20

Finding the Fourth Proportional to 58,752,313.20, 88,128,469.80 and 45,315,385.20

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Solution

The fourth proportional to 58,752,313.20, 88,128,469.80 and 45,315,385.20 is: 67,973,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,752,313.20 : 88,128,469.80 = 45,315,385.20 : x
  2. Step 2: Convert to fraction form
    58,752,313.20/88,128,469.80 = 45,315,385.20/x
  3. Step 3: Cross multiply
    58,752,313.20x = 88,128,469.80 × 45,315,385.20
  4. Step 4: Simplify right side
    58,752,313.20x = 3,993,575,556,073,567
  5. Step 5: Solve for x
    x = 3,993,575,556,073,567/58,752,313.20
  6. Step 6: Final answer
    x = 67,973,077.80

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Similar ratio
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1.5x scale

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.