Home / 217,736,296.20-325,848,617.10-199,596,443.40

Finding the Fourth Proportional to 217,736,296.20, 325,848,617.10 and 199,596,443.40

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Solution

The fourth proportional to 217,736,296.20, 325,848,617.10 and 199,596,443.40 is: 298,701,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,736,296.20 : 325,848,617.10 = 199,596,443.40 : x
  2. Step 2: Convert to fraction form
    217,736,296.20/325,848,617.10 = 199,596,443.40/x
  3. Step 3: Cross multiply
    217,736,296.20x = 325,848,617.10 × 199,596,443.40
  4. Step 4: Simplify right side
    217,736,296.20x = 65,038,225,059,968,432
  5. Step 5: Solve for x
    x = 65,038,225,059,968,432/217,736,296.20
  6. Step 6: Final answer
    x = 298,701,806.70

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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.