Home / 135,988,434.04-187,659,272.46-74,107,509.88

Finding the Fourth Proportional to 135,988,434.04, 187,659,272.46 and 74,107,509.88

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Solution

The fourth proportional to 135,988,434.04, 187,659,272.46 and 74,107,509.88 is: 102,265,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,988,434.04 : 187,659,272.46 = 74,107,509.88 : x
  2. Step 2: Convert to fraction form
    135,988,434.04/187,659,272.46 = 74,107,509.88/x
  3. Step 3: Cross multiply
    135,988,434.04x = 187,659,272.46 × 74,107,509.88
  4. Step 4: Simplify right side
    135,988,434.04x = 13,906,961,387,903,062
  5. Step 5: Solve for x
    x = 13,906,961,387,903,062/135,988,434.04
  6. Step 6: Final answer
    x = 102,265,766.10

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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.