Home / 71,755,414,692.19-99,022,512,004.69-38,758,501,904.47

Finding the Fourth Proportional to 71,755,414,692.19, 99,022,512,004.69 and 38,758,501,904.47

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Solution

The fourth proportional to 71,755,414,692.19, 99,022,512,004.69 and 38,758,501,904.47 is: 53,486,754,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,755,414,692.19 : 99,022,512,004.69 = 38,758,501,904.47 : x
  2. Step 2: Convert to fraction form
    71,755,414,692.19/99,022,512,004.69 = 38,758,501,904.47/x
  3. Step 3: Cross multiply
    71,755,414,692.19x = 99,022,512,004.69 × 38,758,501,904.47
  4. Step 4: Simplify right side
    71,755,414,692.19x = 3,837,964,220,119,181,164,544
  5. Step 5: Solve for x
    x = 3,837,964,220,119,181,164,544/71,755,414,692.19
  6. Step 6: Final answer
    x = 53,486,754,087.94

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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.