Home / 66,936,715.10-100,405,072.65-46,529,380.70

Finding the Fourth Proportional to 66,936,715.10, 100,405,072.65 and 46,529,380.70

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Solution

The fourth proportional to 66,936,715.10, 100,405,072.65 and 46,529,380.70 is: 69,794,071.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,936,715.10 : 100,405,072.65 = 46,529,380.70 : x
  2. Step 2: Convert to fraction form
    66,936,715.10/100,405,072.65 = 46,529,380.70/x
  3. Step 3: Cross multiply
    66,936,715.10x = 100,405,072.65 × 46,529,380.70
  4. Step 4: Simplify right side
    66,936,715.10x = 4,671,785,849,543,008
  5. Step 5: Solve for x
    x = 4,671,785,849,543,008/66,936,715.10
  6. Step 6: Final answer
    x = 69,794,071.05

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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.