Home / 161,705,340.90-242,558,011.35-88,893,987.30

Finding the Fourth Proportional to 161,705,340.90, 242,558,011.35 and 88,893,987.30

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Solution

The fourth proportional to 161,705,340.90, 242,558,011.35 and 88,893,987.30 is: 133,340,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705,340.90 : 242,558,011.35 = 88,893,987.30 : x
  2. Step 2: Convert to fraction form
    161,705,340.90/242,558,011.35 = 88,893,987.30/x
  3. Step 3: Cross multiply
    161,705,340.90x = 242,558,011.35 × 88,893,987.30
  4. Step 4: Simplify right side
    161,705,340.90x = 21,561,948,780,460,156
  5. Step 5: Solve for x
    x = 21,561,948,780,460,156/161,705,340.90
  6. Step 6: Final answer
    x = 133,340,980.95

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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.