Home / 217,366,970.40-325,963,850.40-71,760,009.60

Finding the Fourth Proportional to 217,366,970.40, 325,963,850.40 and 71,760,009.60

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Solution

The fourth proportional to 217,366,970.40, 325,963,850.40 and 71,760,009.60 is: 107,611,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,366,970.40 : 325,963,850.40 = 71,760,009.60 : x
  2. Step 2: Convert to fraction form
    217,366,970.40/325,963,850.40 = 71,760,009.60/x
  3. Step 3: Cross multiply
    217,366,970.40x = 325,963,850.40 × 71,760,009.60
  4. Step 4: Simplify right side
    217,366,970.40x = 23,391,169,033,956,960
  5. Step 5: Solve for x
    x = 23,391,169,033,956,960/217,366,970.40
  6. Step 6: Final answer
    x = 107,611,423.17

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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.