Home / 66,578,853.03-91,874,858.66-36,807,718.92

Finding the Fourth Proportional to 66,578,853.03, 91,874,858.66 and 36,807,718.92

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Solution

The fourth proportional to 66,578,853.03, 91,874,858.66 and 36,807,718.92 is: 50,792,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,578,853.03 : 91,874,858.66 = 36,807,718.92 : x
  2. Step 2: Convert to fraction form
    66,578,853.03/91,874,858.66 = 36,807,718.92/x
  3. Step 3: Cross multiply
    66,578,853.03x = 91,874,858.66 × 36,807,718.92
  4. Step 4: Simplify right side
    66,578,853.03x = 3,381,703,973,187,969.50
  5. Step 5: Solve for x
    x = 3,381,703,973,187,969.50/66,578,853.03
  6. Step 6: Final answer
    x = 50,792,463.66

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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.