Home / 63,812,341.20-95,718,511.80-18,378,728.40

Finding the Fourth Proportional to 63,812,341.20, 95,718,511.80 and 18,378,728.40

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Solution

The fourth proportional to 63,812,341.20, 95,718,511.80 and 18,378,728.40 is: 27,568,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,812,341.20 : 95,718,511.80 = 18,378,728.40 : x
  2. Step 2: Convert to fraction form
    63,812,341.20/95,718,511.80 = 18,378,728.40/x
  3. Step 3: Cross multiply
    63,812,341.20x = 95,718,511.80 × 18,378,728.40
  4. Step 4: Simplify right side
    63,812,341.20x = 1,759,184,531,224,395
  5. Step 5: Solve for x
    x = 1,759,184,531,224,395/63,812,341.20
  6. Step 6: Final answer
    x = 27,568,092.60

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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.