Home / 55,064,091-82,521,732.45-20,966,836.44

Finding the Fourth Proportional to 55,064,091, 82,521,732.45 and 20,966,836.44

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Solution

The fourth proportional to 55,064,091, 82,521,732.45 and 20,966,836.44 is: 31,421,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,064,091 : 82,521,732.45 = 20,966,836.44 : x
  2. Step 2: Convert to fraction form
    55,064,091/82,521,732.45 = 20,966,836.44/x
  3. Step 3: Cross multiply
    55,064,091x = 82,521,732.45 × 20,966,836.44
  4. Step 4: Simplify right side
    55,064,091x = 1,730,219,667,024,590.75
  5. Step 5: Solve for x
    x = 1,730,219,667,024,590.75/55,064,091
  6. Step 6: Final answer
    x = 31,421,923.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.