Home / 69,869,715.44-96,420,602.59-40,518,475.04

Finding the Fourth Proportional to 69,869,715.44, 96,420,602.59 and 40,518,475.04

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Solution

The fourth proportional to 69,869,715.44, 96,420,602.59 and 40,518,475.04 is: 55,915,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,869,715.44 : 96,420,602.59 = 40,518,475.04 : x
  2. Step 2: Convert to fraction form
    69,869,715.44/96,420,602.59 = 40,518,475.04/x
  3. Step 3: Cross multiply
    69,869,715.44x = 96,420,602.59 × 40,518,475.04
  4. Step 4: Simplify right side
    69,869,715.44x = 3,906,815,779,524,429.50
  5. Step 5: Solve for x
    x = 3,906,815,779,524,429.50/69,869,715.44
  6. Step 6: Final answer
    x = 55,915,724.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.