Home / 66,874,568.30-100,311,852.45-56,670,901.10

Finding the Fourth Proportional to 66,874,568.30, 100,311,852.45 and 56,670,901.10

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Solution

The fourth proportional to 66,874,568.30, 100,311,852.45 and 56,670,901.10 is: 85,006,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,874,568.30 : 100,311,852.45 = 56,670,901.10 : x
  2. Step 2: Convert to fraction form
    66,874,568.30/100,311,852.45 = 56,670,901.10/x
  3. Step 3: Cross multiply
    66,874,568.30x = 100,311,852.45 × 56,670,901.10
  4. Step 4: Simplify right side
    66,874,568.30x = 5,684,763,069,351,743
  5. Step 5: Solve for x
    x = 5,684,763,069,351,743/66,874,568.30
  6. Step 6: Final answer
    x = 85,006,351.65

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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.