Home / 58,080,123.40-87,120,185.10-38,969,825.80

Finding the Fourth Proportional to 58,080,123.40, 87,120,185.10 and 38,969,825.80

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Solution

The fourth proportional to 58,080,123.40, 87,120,185.10 and 38,969,825.80 is: 58,454,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,080,123.40 : 87,120,185.10 = 38,969,825.80 : x
  2. Step 2: Convert to fraction form
    58,080,123.40/87,120,185.10 = 38,969,825.80/x
  3. Step 3: Cross multiply
    58,080,123.40x = 87,120,185.10 × 38,969,825.80
  4. Step 4: Simplify right side
    58,080,123.40x = 3,395,058,437,010,755
  5. Step 5: Solve for x
    x = 3,395,058,437,010,755/58,080,123.40
  6. Step 6: Final answer
    x = 58,454,738.70

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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.