Home / 51,988,486.70-77,982,730.05-47,957,408.30

Finding the Fourth Proportional to 51,988,486.70, 77,982,730.05 and 47,957,408.30

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Solution

The fourth proportional to 51,988,486.70, 77,982,730.05 and 47,957,408.30 is: 71,936,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988,486.70 : 77,982,730.05 = 47,957,408.30 : x
  2. Step 2: Convert to fraction form
    51,988,486.70/77,982,730.05 = 47,957,408.30/x
  3. Step 3: Cross multiply
    51,988,486.70x = 77,982,730.05 × 47,957,408.30
  4. Step 4: Simplify right side
    51,988,486.70x = 3,739,849,625,356,529
  5. Step 5: Solve for x
    x = 3,739,849,625,356,529/51,988,486.70
  6. Step 6: Final answer
    x = 71,936,112.45

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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.