Home / 130,465,420.80-195,698,165.76-38,349,162.24

Finding the Fourth Proportional to 130,465,420.80, 195,698,165.76 and 38,349,162.24

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Solution

The fourth proportional to 130,465,420.80, 195,698,165.76 and 38,349,162.24 is: 57,523,753.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,465,420.80 : 195,698,165.76 = 38,349,162.24 : x
  2. Step 2: Convert to fraction form
    130,465,420.80/195,698,165.76 = 38,349,162.24/x
  3. Step 3: Cross multiply
    130,465,420.80x = 195,698,165.76 × 38,349,162.24
  4. Step 4: Simplify right side
    130,465,420.80x = 7,504,860,708,800,653
  5. Step 5: Solve for x
    x = 7,504,860,708,800,653/130,465,420.80
  6. Step 6: Final answer
    x = 57,523,753.52

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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.