Home / 69,869,723.68-96,420,613.96-40,518,483.32

Finding the Fourth Proportional to 69,869,723.68, 96,420,613.96 and 40,518,483.32

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Solution

The fourth proportional to 69,869,723.68, 96,420,613.96 and 40,518,483.32 is: 55,915,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,869,723.68 : 96,420,613.96 = 40,518,483.32 : x
  2. Step 2: Convert to fraction form
    69,869,723.68/96,420,613.96 = 40,518,483.32/x
  3. Step 3: Cross multiply
    69,869,723.68x = 96,420,613.96 × 40,518,483.32
  4. Step 4: Simplify right side
    69,869,723.68x = 3,906,817,038,442,419
  5. Step 5: Solve for x
    x = 3,906,817,038,442,419/69,869,723.68
  6. Step 6: Final answer
    x = 55,915,736.21

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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.