Home / 77,805,589.32-116,604,053.82-60,554,619.72

Finding the Fourth Proportional to 77,805,589.32, 116,604,053.82 and 60,554,619.72

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Solution

The fourth proportional to 77,805,589.32, 116,604,053.82 and 60,554,619.72 is: 90,750,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,805,589.32 : 116,604,053.82 = 60,554,619.72 : x
  2. Step 2: Convert to fraction form
    77,805,589.32/116,604,053.82 = 60,554,619.72/x
  3. Step 3: Cross multiply
    77,805,589.32x = 116,604,053.82 × 60,554,619.72
  4. Step 4: Simplify right side
    77,805,589.32x = 7,060,914,136,880,513
  5. Step 5: Solve for x
    x = 7,060,914,136,880,513/77,805,589.32
  6. Step 6: Final answer
    x = 90,750,731.39

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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.