Home / 193,087,618.20-289,631,427.30-65,436,802.20

Finding the Fourth Proportional to 193,087,618.20, 289,631,427.30 and 65,436,802.20

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Solution

The fourth proportional to 193,087,618.20, 289,631,427.30 and 65,436,802.20 is: 98,155,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,087,618.20 : 289,631,427.30 = 65,436,802.20 : x
  2. Step 2: Convert to fraction form
    193,087,618.20/289,631,427.30 = 65,436,802.20/x
  3. Step 3: Cross multiply
    193,087,618.20x = 289,631,427.30 × 65,436,802.20
  4. Step 4: Simplify right side
    193,087,618.20x = 18,952,554,419,133,780
  5. Step 5: Solve for x
    x = 18,952,554,419,133,780/193,087,618.20
  6. Step 6: Final answer
    x = 98,155,203.30

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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.