Home / 251,659,665.39-377,502,950.25-79,149,931.05

Finding the Fourth Proportional to 251,659,665.39, 377,502,950.25 and 79,149,931.05

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Solution

The fourth proportional to 251,659,665.39, 377,502,950.25 and 79,149,931.05 is: 118,729,127.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,659,665.39 : 377,502,950.25 = 79,149,931.05 : x
  2. Step 2: Convert to fraction form
    251,659,665.39/377,502,950.25 = 79,149,931.05/x
  3. Step 3: Cross multiply
    251,659,665.39x = 377,502,950.25 × 79,149,931.05
  4. Step 4: Simplify right side
    251,659,665.39x = 29,879,332,483,459,080
  5. Step 5: Solve for x
    x = 29,879,332,483,459,080/251,659,665.39
  6. Step 6: Final answer
    x = 118,729,127.44

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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.