Home / 118,605,012.45-163,590,541.97-108,846,970.53

Finding the Fourth Proportional to 118,605,012.45, 163,590,541.97 and 108,846,970.53

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Solution

The fourth proportional to 118,605,012.45, 163,590,541.97 and 108,846,970.53 is: 150,131,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,605,012.45 : 163,590,541.97 = 108,846,970.53 : x
  2. Step 2: Convert to fraction form
    118,605,012.45/163,590,541.97 = 108,846,970.53/x
  3. Step 3: Cross multiply
    118,605,012.45x = 163,590,541.97 × 108,846,970.53
  4. Step 4: Simplify right side
    118,605,012.45x = 17,806,334,900,251,084
  5. Step 5: Solve for x
    x = 17,806,334,900,251,084/118,605,012.45
  6. Step 6: Final answer
    x = 150,131,385.95

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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.