Home / 72,687,758.93-109,103,465.85-31,775,437.54

Finding the Fourth Proportional to 72,687,758.93, 109,103,465.85 and 31,775,437.54

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Solution

The fourth proportional to 72,687,758.93, 109,103,465.85 and 31,775,437.54 is: 47,694,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,687,758.93 : 109,103,465.85 = 31,775,437.54 : x
  2. Step 2: Convert to fraction form
    72,687,758.93/109,103,465.85 = 31,775,437.54/x
  3. Step 3: Cross multiply
    72,687,758.93x = 109,103,465.85 × 31,775,437.54
  4. Step 4: Simplify right side
    72,687,758.93x = 3,466,810,364,514,197.50
  5. Step 5: Solve for x
    x = 3,466,810,364,514,197.50/72,687,758.93
  6. Step 6: Final answer
    x = 47,694,555.67

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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.