Home / 77,531,674.88-116,227,122.02-38,682,009.18

Finding the Fourth Proportional to 77,531,674.88, 116,227,122.02 and 38,682,009.18

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Solution

The fourth proportional to 77,531,674.88, 116,227,122.02 and 38,682,009.18 is: 57,987,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,531,674.88 : 116,227,122.02 = 38,682,009.18 : x
  2. Step 2: Convert to fraction form
    77,531,674.88/116,227,122.02 = 38,682,009.18/x
  3. Step 3: Cross multiply
    77,531,674.88x = 116,227,122.02 × 38,682,009.18
  4. Step 4: Simplify right side
    77,531,674.88x = 4,495,898,601,193,456.50
  5. Step 5: Solve for x
    x = 4,495,898,601,193,456.50/77,531,674.88
  6. Step 6: Final answer
    x = 57,987,894.73

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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.