Home / 74,903,977.20-112,355,965.80-57,897,865.20

Finding the Fourth Proportional to 74,903,977.20, 112,355,965.80 and 57,897,865.20

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Solution

The fourth proportional to 74,903,977.20, 112,355,965.80 and 57,897,865.20 is: 86,846,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,903,977.20 : 112,355,965.80 = 57,897,865.20 : x
  2. Step 2: Convert to fraction form
    74,903,977.20/112,355,965.80 = 57,897,865.20/x
  3. Step 3: Cross multiply
    74,903,977.20x = 112,355,965.80 × 57,897,865.20
  4. Step 4: Simplify right side
    74,903,977.20x = 6,505,170,562,304,210
  5. Step 5: Solve for x
    x = 6,505,170,562,304,210/74,903,977.20
  6. Step 6: Final answer
    x = 86,846,797.80

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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.