Home / 135,251,208-186,646,667.04-77,305,700.16

Finding the Fourth Proportional to 135,251,208, 186,646,667.04 and 77,305,700.16

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Solution

The fourth proportional to 135,251,208, 186,646,667.04 and 77,305,700.16 is: 106,681,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,251,208 : 186,646,667.04 = 77,305,700.16 : x
  2. Step 2: Convert to fraction form
    135,251,208/186,646,667.04 = 77,305,700.16/x
  3. Step 3: Cross multiply
    135,251,208x = 186,646,667.04 × 77,305,700.16
  4. Step 4: Simplify right side
    135,251,208x = 14,428,851,278,057,594
  5. Step 5: Solve for x
    x = 14,428,851,278,057,594/135,251,208
  6. Step 6: Final answer
    x = 106,681,866.22

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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.