Home / 135,251,208.50-186,646,667.73-77,305,700.66

Finding the Fourth Proportional to 135,251,208.50, 186,646,667.73 and 77,305,700.66

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Solution

The fourth proportional to 135,251,208.50, 186,646,667.73 and 77,305,700.66 is: 106,681,866.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,251,208.50 : 186,646,667.73 = 77,305,700.66 : x
  2. Step 2: Convert to fraction form
    135,251,208.50/186,646,667.73 = 77,305,700.66/x
  3. Step 3: Cross multiply
    135,251,208.50x = 186,646,667.73 × 77,305,700.66
  4. Step 4: Simplify right side
    135,251,208.50x = 14,428,851,424,721,860
  5. Step 5: Solve for x
    x = 14,428,851,424,721,860/135,251,208.50
  6. Step 6: Final answer
    x = 106,681,866.91

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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.