Home / 55,836,974.60-77,053,920-31,056,628.40

Finding the Fourth Proportional to 55,836,974.60, 77,053,920 and 31,056,628.40

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Solution

The fourth proportional to 55,836,974.60, 77,053,920 and 31,056,628.40 is: 42,857,532.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,836,974.60 : 77,053,920 = 31,056,628.40 : x
  2. Step 2: Convert to fraction form
    55,836,974.60/77,053,920 = 31,056,628.40/x
  3. Step 3: Cross multiply
    55,836,974.60x = 77,053,920 × 31,056,628.40
  4. Step 4: Simplify right side
    55,836,974.60x = 2,393,034,960,203,328
  5. Step 5: Solve for x
    x = 2,393,034,960,203,328/55,836,974.60
  6. Step 6: Final answer
    x = 42,857,532.62

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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.