Home / 138,097,334.52-190,573,382.88-76,217,671.26

Finding the Fourth Proportional to 138,097,334.52, 190,573,382.88 and 76,217,671.26

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Solution

The fourth proportional to 138,097,334.52, 190,573,382.88 and 76,217,671.26 is: 105,179,868.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,097,334.52 : 190,573,382.88 = 76,217,671.26 : x
  2. Step 2: Convert to fraction form
    138,097,334.52/190,573,382.88 = 76,217,671.26/x
  3. Step 3: Cross multiply
    138,097,334.52x = 190,573,382.88 × 76,217,671.26
  4. Step 4: Simplify right side
    138,097,334.52x = 14,525,059,447,253,952
  5. Step 5: Solve for x
    x = 14,525,059,447,253,952/138,097,334.52
  6. Step 6: Final answer
    x = 105,179,868.23

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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.