Home / 318,311,257.92-477,466,860.80-88,280,340.16

Finding the Fourth Proportional to 318,311,257.92, 477,466,860.80 and 88,280,340.16

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Solution

The fourth proportional to 318,311,257.92, 477,466,860.80 and 88,280,340.16 is: 132,420,503.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,311,257.92 : 477,466,860.80 = 88,280,340.16 : x
  2. Step 2: Convert to fraction form
    318,311,257.92/477,466,860.80 = 88,280,340.16/x
  3. Step 3: Cross multiply
    318,311,257.92x = 477,466,860.80 × 88,280,340.16
  4. Step 4: Simplify right side
    318,311,257.92x = 42,150,936,886,551,368
  5. Step 5: Solve for x
    x = 42,150,936,886,551,368/318,311,257.92
  6. Step 6: Final answer
    x = 132,420,503.01

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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.