Home / 92,687,947.80-139,094,907.30-51,747,307.80

Finding the Fourth Proportional to 92,687,947.80, 139,094,907.30 and 51,747,307.80

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Solution

The fourth proportional to 92,687,947.80, 139,094,907.30 and 51,747,307.80 is: 77,656,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,687,947.80 : 139,094,907.30 = 51,747,307.80 : x
  2. Step 2: Convert to fraction form
    92,687,947.80/139,094,907.30 = 51,747,307.80/x
  3. Step 3: Cross multiply
    92,687,947.80x = 139,094,907.30 × 51,747,307.80
  4. Step 4: Simplify right side
    92,687,947.80x = 7,197,786,981,465,567
  5. Step 5: Solve for x
    x = 7,197,786,981,465,567/92,687,947.80
  6. Step 6: Final answer
    x = 77,656,126.31

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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.