Home / 66,433,209.30-99,649,813.95-64,940,217.30

Finding the Fourth Proportional to 66,433,209.30, 99,649,813.95 and 64,940,217.30

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Solution

The fourth proportional to 66,433,209.30, 99,649,813.95 and 64,940,217.30 is: 97,410,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,209.30 : 99,649,813.95 = 64,940,217.30 : x
  2. Step 2: Convert to fraction form
    66,433,209.30/99,649,813.95 = 64,940,217.30/x
  3. Step 3: Cross multiply
    66,433,209.30x = 99,649,813.95 × 64,940,217.30
  4. Step 4: Simplify right side
    66,433,209.30x = 6,471,280,571,817,571
  5. Step 5: Solve for x
    x = 6,471,280,571,817,571/66,433,209.30
  6. Step 6: Final answer
    x = 97,410,325.95

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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.