Home / 77,076,356.49-115,627,494.20-38,216,726.37

Finding the Fourth Proportional to 77,076,356.49, 115,627,494.20 and 38,216,726.37

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Solution

The fourth proportional to 77,076,356.49, 115,627,494.20 and 38,216,726.37 is: 57,331,515.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,076,356.49 : 115,627,494.20 = 38,216,726.37 : x
  2. Step 2: Convert to fraction form
    77,076,356.49/115,627,494.20 = 38,216,726.37/x
  3. Step 3: Cross multiply
    77,076,356.49x = 115,627,494.20 × 38,216,726.37
  4. Step 4: Simplify right side
    77,076,356.49x = 4,418,904,306,499,078
  5. Step 5: Solve for x
    x = 4,418,904,306,499,078/77,076,356.49
  6. Step 6: Final answer
    x = 57,331,515.24

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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.