Home / 79,405,862.40-119,108,793.60-39,095,078.40

Finding the Fourth Proportional to 79,405,862.40, 119,108,793.60 and 39,095,078.40

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Solution

The fourth proportional to 79,405,862.40, 119,108,793.60 and 39,095,078.40 is: 58,642,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,405,862.40 : 119,108,793.60 = 39,095,078.40 : x
  2. Step 2: Convert to fraction form
    79,405,862.40/119,108,793.60 = 39,095,078.40/x
  3. Step 3: Cross multiply
    79,405,862.40x = 119,108,793.60 × 39,095,078.40
  4. Step 4: Simplify right side
    79,405,862.40x = 4,656,567,623,921,418
  5. Step 5: Solve for x
    x = 4,656,567,623,921,418/79,405,862.40
  6. Step 6: Final answer
    x = 58,642,617.60

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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.