Home / 163,902,005.70-245,853,008.55-82,272,668.10

Finding the Fourth Proportional to 163,902,005.70, 245,853,008.55 and 82,272,668.10

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Solution

The fourth proportional to 163,902,005.70, 245,853,008.55 and 82,272,668.10 is: 123,409,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,902,005.70 : 245,853,008.55 = 82,272,668.10 : x
  2. Step 2: Convert to fraction form
    163,902,005.70/245,853,008.55 = 82,272,668.10/x
  3. Step 3: Cross multiply
    163,902,005.70x = 245,853,008.55 × 82,272,668.10
  4. Step 4: Simplify right side
    163,902,005.70x = 20,226,982,973,820,612
  5. Step 5: Solve for x
    x = 20,226,982,973,820,612/163,902,005.70
  6. Step 6: Final answer
    x = 123,409,002.15

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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.