Home / 318,785,527.04-439,926,483.72-179,543,261.12

Finding the Fourth Proportional to 318,785,527.04, 439,926,483.72 and 179,543,261.12

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Solution

The fourth proportional to 318,785,527.04, 439,926,483.72 and 179,543,261.12 is: 247,771,083.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,785,527.04 : 439,926,483.72 = 179,543,261.12 : x
  2. Step 2: Convert to fraction form
    318,785,527.04/439,926,483.72 = 179,543,261.12/x
  3. Step 3: Cross multiply
    318,785,527.04x = 439,926,483.72 × 179,543,261.12
  4. Step 4: Simplify right side
    318,785,527.04x = 78,985,835,540,143,392
  5. Step 5: Solve for x
    x = 78,985,835,540,143,392/318,785,527.04
  6. Step 6: Final answer
    x = 247,771,083.82

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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.