Home / 161,705,218.90-242,557,828.35-88,893,865.30

Finding the Fourth Proportional to 161,705,218.90, 242,557,828.35 and 88,893,865.30

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Solution

The fourth proportional to 161,705,218.90, 242,557,828.35 and 88,893,865.30 is: 133,340,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705,218.90 : 242,557,828.35 = 88,893,865.30 : x
  2. Step 2: Convert to fraction form
    161,705,218.90/242,557,828.35 = 88,893,865.30/x
  3. Step 3: Cross multiply
    161,705,218.90x = 242,557,828.35 × 88,893,865.30
  4. Step 4: Simplify right side
    161,705,218.90x = 21,561,902,920,805,420
  5. Step 5: Solve for x
    x = 21,561,902,920,805,420/161,705,218.90
  6. Step 6: Final answer
    x = 133,340,797.95

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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.