Home / 217,038,497.40-325,935,659.70-115,001,825.40

Finding the Fourth Proportional to 217,038,497.40, 325,935,659.70 and 115,001,825.40

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Solution

The fourth proportional to 217,038,497.40, 325,935,659.70 and 115,001,825.40 is: 172,702,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,038,497.40 : 325,935,659.70 = 115,001,825.40 : x
  2. Step 2: Convert to fraction form
    217,038,497.40/325,935,659.70 = 115,001,825.40/x
  3. Step 3: Cross multiply
    217,038,497.40x = 325,935,659.70 × 115,001,825.40
  4. Step 4: Simplify right side
    217,038,497.40x = 37,483,195,828,453,216
  5. Step 5: Solve for x
    x = 37,483,195,828,453,216/217,038,497.40
  6. Step 6: Final answer
    x = 172,702,982.55

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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.