Home / 70,545,727.80-97,359,243.72-39,189,876.48

Finding the Fourth Proportional to 70,545,727.80, 97,359,243.72 and 39,189,876.48

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Solution

The fourth proportional to 70,545,727.80, 97,359,243.72 and 39,189,876.48 is: 54,085,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,545,727.80 : 97,359,243.72 = 39,189,876.48 : x
  2. Step 2: Convert to fraction form
    70,545,727.80/97,359,243.72 = 39,189,876.48/x
  3. Step 3: Cross multiply
    70,545,727.80x = 97,359,243.72 × 39,189,876.48
  4. Step 4: Simplify right side
    70,545,727.80x = 3,815,496,735,573,015.50
  5. Step 5: Solve for x
    x = 3,815,496,735,573,015.50/70,545,727.80
  6. Step 6: Final answer
    x = 54,085,440.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.