Home / 55,222,822.71-76,207,725.51-30,442,465.17

Finding the Fourth Proportional to 55,222,822.71, 76,207,725.51 and 30,442,465.17

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Solution

The fourth proportional to 55,222,822.71, 76,207,725.51 and 30,442,465.17 is: 42,010,728.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,222,822.71 : 76,207,725.51 = 30,442,465.17 : x
  2. Step 2: Convert to fraction form
    55,222,822.71/76,207,725.51 = 30,442,465.17/x
  3. Step 3: Cross multiply
    55,222,822.71x = 76,207,725.51 × 30,442,465.17
  4. Step 4: Simplify right side
    55,222,822.71x = 2,319,951,029,523,096
  5. Step 5: Solve for x
    x = 2,319,951,029,523,096/55,222,822.71
  6. Step 6: Final answer
    x = 42,010,728.82

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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.