Home / 47,521,995.60-71,312,979.71-20,228,244.78

Finding the Fourth Proportional to 47,521,995.60, 71,312,979.71 and 20,228,244.78

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Solution

The fourth proportional to 47,521,995.60, 71,312,979.71 and 20,228,244.78 is: 30,355,131.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,521,995.60 : 71,312,979.71 = 20,228,244.78 : x
  2. Step 2: Convert to fraction form
    47,521,995.60/71,312,979.71 = 20,228,244.78/x
  3. Step 3: Cross multiply
    47,521,995.60x = 71,312,979.71 × 20,228,244.78
  4. Step 4: Simplify right side
    47,521,995.60x = 1,442,536,409,565,053.25
  5. Step 5: Solve for x
    x = 1,442,536,409,565,053.25/47,521,995.60
  6. Step 6: Final answer
    x = 30,355,131.16

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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.