Home / 163,902,003.70-245,853,005.55-82,272,666.10

Finding the Fourth Proportional to 163,902,003.70, 245,853,005.55 and 82,272,666.10

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Solution

The fourth proportional to 163,902,003.70, 245,853,005.55 and 82,272,666.10 is: 123,408,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,902,003.70 : 245,853,005.55 = 82,272,666.10 : x
  2. Step 2: Convert to fraction form
    163,902,003.70/245,853,005.55 = 82,272,666.10/x
  3. Step 3: Cross multiply
    163,902,003.70x = 245,853,005.55 × 82,272,666.10
  4. Step 4: Simplify right side
    163,902,003.70x = 20,226,982,235,296,596
  5. Step 5: Solve for x
    x = 20,226,982,235,296,596/163,902,003.70
  6. Step 6: Final answer
    x = 123,408,999.15

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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.