Home / 71,755,414,690.21-99,022,512,001.96-38,758,501,902.49

Finding the Fourth Proportional to 71,755,414,690.21, 99,022,512,001.96 and 38,758,501,902.49

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Solution

The fourth proportional to 71,755,414,690.21, 99,022,512,001.96 and 38,758,501,902.49 is: 53,486,754,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,755,414,690.21 : 99,022,512,001.96 = 38,758,501,902.49 : x
  2. Step 2: Convert to fraction form
    71,755,414,690.21/99,022,512,001.96 = 38,758,501,902.49/x
  3. Step 3: Cross multiply
    71,755,414,690.21x = 99,022,512,001.96 × 38,758,501,902.49
  4. Step 4: Simplify right side
    71,755,414,690.21x = 3,837,964,219,817,305,571,328
  5. Step 5: Solve for x
    x = 3,837,964,219,817,305,571,328/71,755,414,690.21
  6. Step 6: Final answer
    x = 53,486,754,085.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.