Home / 77,614,729.20-116,422,093.80-39,350,977.20

Finding the Fourth Proportional to 77,614,729.20, 116,422,093.80 and 39,350,977.20

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Solution

The fourth proportional to 77,614,729.20, 116,422,093.80 and 39,350,977.20 is: 59,026,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,614,729.20 : 116,422,093.80 = 39,350,977.20 : x
  2. Step 2: Convert to fraction form
    77,614,729.20/116,422,093.80 = 39,350,977.20/x
  3. Step 3: Cross multiply
    77,614,729.20x = 116,422,093.80 × 39,350,977.20
  4. Step 4: Simplify right side
    77,614,729.20x = 4,581,323,158,700,062
  5. Step 5: Solve for x
    x = 4,581,323,158,700,062/77,614,729.20
  6. Step 6: Final answer
    x = 59,026,465.80

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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.