Home / 217,224,875.20-325,837,312.80-80,882,046.40

Finding the Fourth Proportional to 217,224,875.20, 325,837,312.80 and 80,882,046.40

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Solution

The fourth proportional to 217,224,875.20, 325,837,312.80 and 80,882,046.40 is: 121,323,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,224,875.20 : 325,837,312.80 = 80,882,046.40 : x
  2. Step 2: Convert to fraction form
    217,224,875.20/325,837,312.80 = 80,882,046.40/x
  3. Step 3: Cross multiply
    217,224,875.20x = 325,837,312.80 × 80,882,046.40
  4. Step 4: Simplify right side
    217,224,875.20x = 26,354,388,652,740,916
  5. Step 5: Solve for x
    x = 26,354,388,652,740,916/217,224,875.20
  6. Step 6: Final answer
    x = 121,323,069.60

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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.