Home / 54,438,350.90-81,421,330.35-48,722,407.70

Finding the Fourth Proportional to 54,438,350.90, 81,421,330.35 and 48,722,407.70

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Solution

The fourth proportional to 54,438,350.90, 81,421,330.35 and 48,722,407.70 is: 72,872,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,438,350.90 : 81,421,330.35 = 48,722,407.70 : x
  2. Step 2: Convert to fraction form
    54,438,350.90/81,421,330.35 = 48,722,407.70/x
  3. Step 3: Cross multiply
    54,438,350.90x = 81,421,330.35 × 48,722,407.70
  4. Step 4: Simplify right side
    54,438,350.90x = 3,967,043,252,789,083.50
  5. Step 5: Solve for x
    x = 3,967,043,252,789,083.50/54,438,350.90
  6. Step 6: Final answer
    x = 72,872,215.77

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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.