Home / 21,170,120,002.90-31,755,180,004.35-21,170,120,002.90

Finding the Fourth Proportional to 21,170,120,002.90, 31,755,180,004.35 and 21,170,120,002.90

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Solution

The fourth proportional to 21,170,120,002.90, 31,755,180,004.35 and 21,170,120,002.90 is: 31,755,180,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,170,120,002.90 : 31,755,180,004.35 = 21,170,120,002.90 : x
  2. Step 2: Convert to fraction form
    21,170,120,002.90/31,755,180,004.35 = 21,170,120,002.90/x
  3. Step 3: Cross multiply
    21,170,120,002.90x = 31,755,180,004.35 × 21,170,120,002.90
  4. Step 4: Simplify right side
    21,170,120,002.90x = 672,260,971,405,780,058,112
  5. Step 5: Solve for x
    x = 672,260,971,405,780,058,112/21,170,120,002.90
  6. Step 6: Final answer
    x = 31,755,180,004.35

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1.5x scale

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.