Home / 99,320,353.40-148,985,195.70-31,165,268.60

Finding the Fourth Proportional to 99,320,353.40, 148,985,195.70 and 31,165,268.60

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Solution

The fourth proportional to 99,320,353.40, 148,985,195.70 and 31,165,268.60 is: 46,749,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,320,353.40 : 148,985,195.70 = 31,165,268.60 : x
  2. Step 2: Convert to fraction form
    99,320,353.40/148,985,195.70 = 31,165,268.60/x
  3. Step 3: Cross multiply
    99,320,353.40x = 148,985,195.70 × 31,165,268.60
  4. Step 4: Simplify right side
    99,320,353.40x = 4,643,163,641,414,065
  5. Step 5: Solve for x
    x = 4,643,163,641,414,065/99,320,353.40
  6. Step 6: Final answer
    x = 46,749,366.90

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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.