Home / 77,463,152.20-106,899,890.70-42,657,076.36

Finding the Fourth Proportional to 77,463,152.20, 106,899,890.70 and 42,657,076.36

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Solution

The fourth proportional to 77,463,152.20, 106,899,890.70 and 42,657,076.36 is: 58,867,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,463,152.20 : 106,899,890.70 = 42,657,076.36 : x
  2. Step 2: Convert to fraction form
    77,463,152.20/106,899,890.70 = 42,657,076.36/x
  3. Step 3: Cross multiply
    77,463,152.20x = 106,899,890.70 × 42,657,076.36
  4. Step 4: Simplify right side
    77,463,152.20x = 4,560,036,800,465,554
  5. Step 5: Solve for x
    x = 4,560,036,800,465,554/77,463,152.20
  6. Step 6: Final answer
    x = 58,867,173.24

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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.