Home / 58,080,169.40-87,120,254.10-38,920,105.40

Finding the Fourth Proportional to 58,080,169.40, 87,120,254.10 and 38,920,105.40

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Solution

The fourth proportional to 58,080,169.40, 87,120,254.10 and 38,920,105.40 is: 58,380,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,080,169.40 : 87,120,254.10 = 38,920,105.40 : x
  2. Step 2: Convert to fraction form
    58,080,169.40/87,120,254.10 = 38,920,105.40/x
  3. Step 3: Cross multiply
    58,080,169.40x = 87,120,254.10 × 38,920,105.40
  4. Step 4: Simplify right side
    58,080,169.40x = 3,390,729,472,046,782
  5. Step 5: Solve for x
    x = 3,390,729,472,046,782/58,080,169.40
  6. Step 6: Final answer
    x = 58,380,158.10

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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.