Home / 56,450,366.01-77,756,356.92-39,902,040.60

Finding the Fourth Proportional to 56,450,366.01, 77,756,356.92 and 39,902,040.60

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Solution

The fourth proportional to 56,450,366.01, 77,756,356.92 and 39,902,040.60 is: 54,962,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,450,366.01 : 77,756,356.92 = 39,902,040.60 : x
  2. Step 2: Convert to fraction form
    56,450,366.01/77,756,356.92 = 39,902,040.60/x
  3. Step 3: Cross multiply
    56,450,366.01x = 77,756,356.92 × 39,902,040.60
  4. Step 4: Simplify right side
    56,450,366.01x = 3,102,637,310,729,931
  5. Step 5: Solve for x
    x = 3,102,637,310,729,931/56,450,366.01
  6. Step 6: Final answer
    x = 54,962,217.79

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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.