Home / 47,651,367.66-71,507,282.42-20,357,865.75

Finding the Fourth Proportional to 47,651,367.66, 71,507,282.42 and 20,357,865.75

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Solution

The fourth proportional to 47,651,367.66, 71,507,282.42 and 20,357,865.75 is: 30,549,714.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,651,367.66 : 71,507,282.42 = 20,357,865.75 : x
  2. Step 2: Convert to fraction form
    47,651,367.66/71,507,282.42 = 20,357,865.75/x
  3. Step 3: Cross multiply
    47,651,367.66x = 71,507,282.42 × 20,357,865.75
  4. Step 4: Simplify right side
    47,651,367.66x = 1,455,735,655,653,695.25
  5. Step 5: Solve for x
    x = 1,455,735,655,653,695.25/47,651,367.66
  6. Step 6: Final answer
    x = 30,549,714.04

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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.