Home / 53,146,205.60-79,719,309.43-12,756,689.60

Finding the Fourth Proportional to 53,146,205.60, 79,719,309.43 and 12,756,689.60

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Solution

The fourth proportional to 53,146,205.60, 79,719,309.43 and 12,756,689.60 is: 19,135,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146,205.60 : 79,719,309.43 = 12,756,689.60 : x
  2. Step 2: Convert to fraction form
    53,146,205.60/79,719,309.43 = 12,756,689.60/x
  3. Step 3: Cross multiply
    53,146,205.60x = 79,719,309.43 × 12,756,689.60
  4. Step 4: Simplify right side
    53,146,205.60x = 1,016,954,485,692,269.38
  5. Step 5: Solve for x
    x = 1,016,954,485,692,269.38/53,146,205.60
  6. Step 6: Final answer
    x = 19,135,034.65

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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.