Home / 99,168,510.66-148,753,109.70-30,081,905.88

Finding the Fourth Proportional to 99,168,510.66, 148,753,109.70 and 30,081,905.88

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Solution

The fourth proportional to 99,168,510.66, 148,753,109.70 and 30,081,905.88 is: 45,122,963.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,168,510.66 : 148,753,109.70 = 30,081,905.88 : x
  2. Step 2: Convert to fraction form
    99,168,510.66/148,753,109.70 = 30,081,905.88/x
  3. Step 3: Cross multiply
    99,168,510.66x = 148,753,109.70 × 30,081,905.88
  4. Step 4: Simplify right side
    99,168,510.66x = 4,474,777,045,352,714.50
  5. Step 5: Solve for x
    x = 4,474,777,045,352,714.50/99,168,510.66
  6. Step 6: Final answer
    x = 45,122,963.08

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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.