Home / 52,158,330.16-71,985,980.88-31,251,193.36

Finding the Fourth Proportional to 52,158,330.16, 71,985,980.88 and 31,251,193.36

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Solution

The fourth proportional to 52,158,330.16, 71,985,980.88 and 31,251,193.36 is: 43,131,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,158,330.16 : 71,985,980.88 = 31,251,193.36 : x
  2. Step 2: Convert to fraction form
    52,158,330.16/71,985,980.88 = 31,251,193.36/x
  3. Step 3: Cross multiply
    52,158,330.16x = 71,985,980.88 × 31,251,193.36
  4. Step 4: Simplify right side
    52,158,330.16x = 2,249,647,807,690,142.75
  5. Step 5: Solve for x
    x = 2,249,647,807,690,142.75/52,158,330.16
  6. Step 6: Final answer
    x = 43,131,131.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.