Home / 193,428,280.49-290,261,373.79-76,823,236.04

Finding the Fourth Proportional to 193,428,280.49, 290,261,373.79 and 76,823,236.04

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Solution

The fourth proportional to 193,428,280.49, 290,261,373.79 and 76,823,236.04 is: 115,282,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,428,280.49 : 290,261,373.79 = 76,823,236.04 : x
  2. Step 2: Convert to fraction form
    193,428,280.49/290,261,373.79 = 76,823,236.04/x
  3. Step 3: Cross multiply
    193,428,280.49x = 290,261,373.79 × 76,823,236.04
  4. Step 4: Simplify right side
    193,428,280.49x = 22,298,818,031,046,128
  5. Step 5: Solve for x
    x = 22,298,818,031,046,128/193,428,280.49
  6. Step 6: Final answer
    x = 115,282,098.23

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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.