Home / 193,720,751.55-290,444,881.41-89,979,813.36

Finding the Fourth Proportional to 193,720,751.55, 290,444,881.41 and 89,979,813.36

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Solution

The fourth proportional to 193,720,751.55, 290,444,881.41 and 89,979,813.36 is: 134,906,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,720,751.55 : 290,444,881.41 = 89,979,813.36 : x
  2. Step 2: Convert to fraction form
    193,720,751.55/290,444,881.41 = 89,979,813.36/x
  3. Step 3: Cross multiply
    193,720,751.55x = 290,444,881.41 × 89,979,813.36
  4. Step 4: Simplify right side
    193,720,751.55x = 26,134,176,220,639,136
  5. Step 5: Solve for x
    x = 26,134,176,220,639,136/193,720,751.55
  6. Step 6: Final answer
    x = 134,906,436.26

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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.