Home / 21,170,120,008.15-31,755,180,012.23-21,170,120,008.15

Finding the Fourth Proportional to 21,170,120,008.15, 31,755,180,012.23 and 21,170,120,008.15

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Solution

The fourth proportional to 21,170,120,008.15, 31,755,180,012.23 and 21,170,120,008.15 is: 31,755,180,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,170,120,008.15 : 31,755,180,012.23 = 21,170,120,008.15 : x
  2. Step 2: Convert to fraction form
    21,170,120,008.15/31,755,180,012.23 = 21,170,120,008.15/x
  3. Step 3: Cross multiply
    21,170,120,008.15x = 31,755,180,012.23 × 21,170,120,008.15
  4. Step 4: Simplify right side
    21,170,120,008.15x = 672,260,971,739,209,400,320
  5. Step 5: Solve for x
    x = 672,260,971,739,209,400,320/21,170,120,008.15
  6. Step 6: Final answer
    x = 31,755,180,012.23

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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.