Home / 55,196,705.76-76,171,957.74-30,417,781.69

Finding the Fourth Proportional to 55,196,705.76, 76,171,957.74 and 30,417,781.69

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Solution

The fourth proportional to 55,196,705.76, 76,171,957.74 and 30,417,781.69 is: 41,976,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,705.76 : 76,171,957.74 = 30,417,781.69 : x
  2. Step 2: Convert to fraction form
    55,196,705.76/76,171,957.74 = 30,417,781.69/x
  3. Step 3: Cross multiply
    55,196,705.76x = 76,171,957.74 × 30,417,781.69
  4. Step 4: Simplify right side
    55,196,705.76x = 2,316,981,981,435,225.50
  5. Step 5: Solve for x
    x = 2,316,981,981,435,225.50/55,196,705.76
  6. Step 6: Final answer
    x = 41,976,816.36

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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.