Home / 137,011,721.42-205,507,247.17-43,634,919.43

Finding the Fourth Proportional to 137,011,721.42, 205,507,247.17 and 43,634,919.43

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Solution

The fourth proportional to 137,011,721.42, 205,507,247.17 and 43,634,919.43 is: 65,449,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,011,721.42 : 205,507,247.17 = 43,634,919.43 : x
  2. Step 2: Convert to fraction form
    137,011,721.42/205,507,247.17 = 43,634,919.43/x
  3. Step 3: Cross multiply
    137,011,721.42x = 205,507,247.17 × 43,634,919.43
  4. Step 4: Simplify right side
    137,011,721.42x = 8,967,292,173,412,851
  5. Step 5: Solve for x
    x = 8,967,292,173,412,851/137,011,721.42
  6. Step 6: Final answer
    x = 65,449,087.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.