Home / 52,122,246.90-78,192,701.55-21,833,171.70

Finding the Fourth Proportional to 52,122,246.90, 78,192,701.55 and 21,833,171.70

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Solution

The fourth proportional to 52,122,246.90, 78,192,701.55 and 21,833,171.70 is: 32,753,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,122,246.90 : 78,192,701.55 = 21,833,171.70 : x
  2. Step 2: Convert to fraction form
    52,122,246.90/78,192,701.55 = 21,833,171.70/x
  3. Step 3: Cross multiply
    52,122,246.90x = 78,192,701.55 × 21,833,171.70
  4. Step 4: Simplify right side
    52,122,246.90x = 1,707,194,678,628,006
  5. Step 5: Solve for x
    x = 1,707,194,678,628,006/52,122,246.90
  6. Step 6: Final answer
    x = 32,753,666.24

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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.