Home / 48,277,739.20-72,416,608.80-42,042,164.80

Finding the Fourth Proportional to 48,277,739.20, 72,416,608.80 and 42,042,164.80

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Solution

The fourth proportional to 48,277,739.20, 72,416,608.80 and 42,042,164.80 is: 63,063,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,277,739.20 : 72,416,608.80 = 42,042,164.80 : x
  2. Step 2: Convert to fraction form
    48,277,739.20/72,416,608.80 = 42,042,164.80/x
  3. Step 3: Cross multiply
    48,277,739.20x = 72,416,608.80 × 42,042,164.80
  4. Step 4: Simplify right side
    48,277,739.20x = 3,044,551,001,426,730
  5. Step 5: Solve for x
    x = 3,044,551,001,426,730/48,277,739.20
  6. Step 6: Final answer
    x = 63,063,247.20

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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.