Home / 318,634,976.56-478,037,520.12-114,183,718.96

Finding the Fourth Proportional to 318,634,976.56, 478,037,520.12 and 114,183,718.96

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Solution

The fourth proportional to 318,634,976.56, 478,037,520.12 and 114,183,718.96 is: 171,306,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,634,976.56 : 478,037,520.12 = 114,183,718.96 : x
  2. Step 2: Convert to fraction form
    318,634,976.56/478,037,520.12 = 114,183,718.96/x
  3. Step 3: Cross multiply
    318,634,976.56x = 478,037,520.12 × 114,183,718.96
  4. Step 4: Simplify right side
    318,634,976.56x = 54,584,101,849,717,424
  5. Step 5: Solve for x
    x = 54,584,101,849,717,424/318,634,976.56
  6. Step 6: Final answer
    x = 171,306,058.23

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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.