Home / 55,981,700.76-77,251,976.91-31,203,928.43

Finding the Fourth Proportional to 55,981,700.76, 77,251,976.91 and 31,203,928.43

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Solution

The fourth proportional to 55,981,700.76, 77,251,976.91 and 31,203,928.43 is: 43,059,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,981,700.76 : 77,251,976.91 = 31,203,928.43 : x
  2. Step 2: Convert to fraction form
    55,981,700.76/77,251,976.91 = 31,203,928.43/x
  3. Step 3: Cross multiply
    55,981,700.76x = 77,251,976.91 × 31,203,928.43
  4. Step 4: Simplify right side
    55,981,700.76x = 2,410,565,158,913,707
  5. Step 5: Solve for x
    x = 2,410,565,158,913,707/55,981,700.76
  6. Step 6: Final answer
    x = 43,059,877.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.