Home / 48,282,308.70-72,376,223.85-19,490,016.30

Finding the Fourth Proportional to 48,282,308.70, 72,376,223.85 and 19,490,016.30

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Solution

The fourth proportional to 48,282,308.70, 72,376,223.85 and 19,490,016.30 is: 29,215,955.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,282,308.70 : 72,376,223.85 = 19,490,016.30 : x
  2. Step 2: Convert to fraction form
    48,282,308.70/72,376,223.85 = 19,490,016.30/x
  3. Step 3: Cross multiply
    48,282,308.70x = 72,376,223.85 × 19,490,016.30
  4. Step 4: Simplify right side
    48,282,308.70x = 1,410,613,782,568,948.75
  5. Step 5: Solve for x
    x = 1,410,613,782,568,948.75/48,282,308.70
  6. Step 6: Final answer
    x = 29,215,955.50

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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.