Home / 81,403,022.01-122,123,421.45-26,813,650.35

Finding the Fourth Proportional to 81,403,022.01, 122,123,421.45 and 26,813,650.35

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Solution

The fourth proportional to 81,403,022.01, 122,123,421.45 and 26,813,650.35 is: 40,226,697.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,403,022.01 : 122,123,421.45 = 26,813,650.35 : x
  2. Step 2: Convert to fraction form
    81,403,022.01/122,123,421.45 = 26,813,650.35/x
  3. Step 3: Cross multiply
    81,403,022.01x = 122,123,421.45 × 26,813,650.35
  4. Step 4: Simplify right side
    81,403,022.01x = 3,274,574,722,305,990.50
  5. Step 5: Solve for x
    x = 3,274,574,722,305,990.50/81,403,022.01
  6. Step 6: Final answer
    x = 40,226,697.26

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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.