Home / 158,829,696.70-219,190,304.21-88,268,280.92

Finding the Fourth Proportional to 158,829,696.70, 219,190,304.21 and 88,268,280.92

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Solution

The fourth proportional to 158,829,696.70, 219,190,304.21 and 88,268,280.92 is: 121,813,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,829,696.70 : 219,190,304.21 = 88,268,280.92 : x
  2. Step 2: Convert to fraction form
    158,829,696.70/219,190,304.21 = 88,268,280.92/x
  3. Step 3: Cross multiply
    158,829,696.70x = 219,190,304.21 × 88,268,280.92
  4. Step 4: Simplify right side
    158,829,696.70x = 19,347,551,346,573,984
  5. Step 5: Solve for x
    x = 19,347,551,346,573,984/158,829,696.70
  6. Step 6: Final answer
    x = 121,813,185.75

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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.