Home / 318,248,718.42-477,373,210.23-143,167,251.36

Finding the Fourth Proportional to 318,248,718.42, 477,373,210.23 and 143,167,251.36

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Solution

The fourth proportional to 318,248,718.42, 477,373,210.23 and 143,167,251.36 is: 214,750,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,248,718.42 : 477,373,210.23 = 143,167,251.36 : x
  2. Step 2: Convert to fraction form
    318,248,718.42/477,373,210.23 = 143,167,251.36/x
  3. Step 3: Cross multiply
    318,248,718.42x = 477,373,210.23 × 143,167,251.36
  4. Step 4: Simplify right side
    318,248,718.42x = 68,344,210,381,528,544
  5. Step 5: Solve for x
    x = 68,344,210,381,528,544/318,248,718.42
  6. Step 6: Final answer
    x = 214,750,936.69

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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.