Home / 48,277,731.20-72,416,596.80-42,042,156.80

Finding the Fourth Proportional to 48,277,731.20, 72,416,596.80 and 42,042,156.80

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Solution

The fourth proportional to 48,277,731.20, 72,416,596.80 and 42,042,156.80 is: 63,063,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,277,731.20 : 72,416,596.80 = 42,042,156.80 : x
  2. Step 2: Convert to fraction form
    48,277,731.20/72,416,596.80 = 42,042,156.80/x
  3. Step 3: Cross multiply
    48,277,731.20x = 72,416,596.80 × 42,042,156.80
  4. Step 4: Simplify right side
    48,277,731.20x = 3,044,549,917,587,978
  5. Step 5: Solve for x
    x = 3,044,549,917,587,978/48,277,731.20
  6. Step 6: Final answer
    x = 63,063,235.20

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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.