Home / 158,829,702.86-219,190,312.86-88,268,287.21

Finding the Fourth Proportional to 158,829,702.86, 219,190,312.86 and 88,268,287.21

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Solution

The fourth proportional to 158,829,702.86, 219,190,312.86 and 88,268,287.21 is: 121,813,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,829,702.86 : 219,190,312.86 = 88,268,287.21 : x
  2. Step 2: Convert to fraction form
    158,829,702.86/219,190,312.86 = 88,268,287.21/x
  3. Step 3: Cross multiply
    158,829,702.86x = 219,190,312.86 × 88,268,287.21
  4. Step 4: Simplify right side
    158,829,702.86x = 19,347,553,488,080,284
  5. Step 5: Solve for x
    x = 19,347,553,488,080,284/158,829,702.86
  6. Step 6: Final answer
    x = 121,813,194.51

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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.