Home / 72,666,311.36-108,876,079.04-43,851,898.56

Finding the Fourth Proportional to 72,666,311.36, 108,876,079.04 and 43,851,898.56

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Solution

The fourth proportional to 72,666,311.36, 108,876,079.04 and 43,851,898.56 is: 65,703,386.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,666,311.36 : 108,876,079.04 = 43,851,898.56 : x
  2. Step 2: Convert to fraction form
    72,666,311.36/108,876,079.04 = 43,851,898.56/x
  3. Step 3: Cross multiply
    72,666,311.36x = 108,876,079.04 × 43,851,898.56
  4. Step 4: Simplify right side
    72,666,311.36x = 4,774,422,773,672,623
  5. Step 5: Solve for x
    x = 4,774,422,773,672,623/72,666,311.36
  6. Step 6: Final answer
    x = 65,703,386.95

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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.