Home / 56,898,247.88-78,519,295.14-30,792,772.46

Finding the Fourth Proportional to 56,898,247.88, 78,519,295.14 and 30,792,772.46

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Solution

The fourth proportional to 56,898,247.88, 78,519,295.14 and 30,792,772.46 is: 42,493,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,898,247.88 : 78,519,295.14 = 30,792,772.46 : x
  2. Step 2: Convert to fraction form
    56,898,247.88/78,519,295.14 = 30,792,772.46/x
  3. Step 3: Cross multiply
    56,898,247.88x = 78,519,295.14 × 30,792,772.46
  4. Step 4: Simplify right side
    56,898,247.88x = 2,417,826,788,965,604
  5. Step 5: Solve for x
    x = 2,417,826,788,965,604/56,898,247.88
  6. Step 6: Final answer
    x = 42,493,870.71

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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.