Home / 319,609,812-479,409,038.94-101,254,478.88

Finding the Fourth Proportional to 319,609,812, 479,409,038.94 and 101,254,478.88

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Solution

The fourth proportional to 319,609,812, 479,409,038.94 and 101,254,478.88 is: 151,879,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,609,812 : 479,409,038.94 = 101,254,478.88 : x
  2. Step 2: Convert to fraction form
    319,609,812/479,409,038.94 = 101,254,478.88/x
  3. Step 3: Cross multiply
    319,609,812x = 479,409,038.94 × 101,254,478.88
  4. Step 4: Simplify right side
    319,609,812x = 48,542,312,408,231,328
  5. Step 5: Solve for x
    x = 48,542,312,408,231,328/319,609,812
  6. Step 6: Final answer
    x = 151,879,919.16

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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.