Home / 52,422,976.80-78,634,465.20-47,321,143.20

Finding the Fourth Proportional to 52,422,976.80, 78,634,465.20 and 47,321,143.20

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Solution

The fourth proportional to 52,422,976.80, 78,634,465.20 and 47,321,143.20 is: 70,981,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,422,976.80 : 78,634,465.20 = 47,321,143.20 : x
  2. Step 2: Convert to fraction form
    52,422,976.80/78,634,465.20 = 47,321,143.20/x
  3. Step 3: Cross multiply
    52,422,976.80x = 78,634,465.20 × 47,321,143.20
  4. Step 4: Simplify right side
    52,422,976.80x = 3,721,072,788,184,617
  5. Step 5: Solve for x
    x = 3,721,072,788,184,617/52,422,976.80
  6. Step 6: Final answer
    x = 70,981,714.80

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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.