Home / 193,100,237.31-289,832,378.76-70,397,154.03

Finding the Fourth Proportional to 193,100,237.31, 289,832,378.76 and 70,397,154.03

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Solution

The fourth proportional to 193,100,237.31, 289,832,378.76 and 70,397,154.03 is: 105,662,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,100,237.31 : 289,832,378.76 = 70,397,154.03 : x
  2. Step 2: Convert to fraction form
    193,100,237.31/289,832,378.76 = 70,397,154.03/x
  3. Step 3: Cross multiply
    193,100,237.31x = 289,832,378.76 × 70,397,154.03
  4. Step 4: Simplify right side
    193,100,237.31x = 20,403,374,610,449,020
  5. Step 5: Solve for x
    x = 20,403,374,610,449,020/193,100,237.31
  6. Step 6: Final answer
    x = 105,662,089.78

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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.