Home / 161,705,319.90-242,557,979.85-88,893,966.30

Finding the Fourth Proportional to 161,705,319.90, 242,557,979.85 and 88,893,966.30

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Solution

The fourth proportional to 161,705,319.90, 242,557,979.85 and 88,893,966.30 is: 133,340,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705,319.90 : 242,557,979.85 = 88,893,966.30 : x
  2. Step 2: Convert to fraction form
    161,705,319.90/242,557,979.85 = 88,893,966.30/x
  3. Step 3: Cross multiply
    161,705,319.90x = 242,557,979.85 × 88,893,966.30
  4. Step 4: Simplify right side
    161,705,319.90x = 21,561,940,886,581,976
  5. Step 5: Solve for x
    x = 21,561,940,886,581,976/161,705,319.90
  6. Step 6: Final answer
    x = 133,340,949.45

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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.