Home / 55,385,935.31-76,437,192.98-30,610,959.62

Finding the Fourth Proportional to 55,385,935.31, 76,437,192.98 and 30,610,959.62

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Solution

The fourth proportional to 55,385,935.31, 76,437,192.98 and 30,610,959.62 is: 42,245,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,385,935.31 : 76,437,192.98 = 30,610,959.62 : x
  2. Step 2: Convert to fraction form
    55,385,935.31/76,437,192.98 = 30,610,959.62/x
  3. Step 3: Cross multiply
    55,385,935.31x = 76,437,192.98 × 30,610,959.62
  4. Step 4: Simplify right side
    55,385,935.31x = 2,339,815,827,471,269
  5. Step 5: Solve for x
    x = 2,339,815,827,471,269/55,385,935.31
  6. Step 6: Final answer
    x = 42,245,667.86

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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.