Home / 199,389,904.90-299,084,857.35-91,894,480.90

Finding the Fourth Proportional to 199,389,904.90, 299,084,857.35 and 91,894,480.90

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Solution

The fourth proportional to 199,389,904.90, 299,084,857.35 and 91,894,480.90 is: 137,841,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,389,904.90 : 299,084,857.35 = 91,894,480.90 : x
  2. Step 2: Convert to fraction form
    199,389,904.90/299,084,857.35 = 91,894,480.90/x
  3. Step 3: Cross multiply
    199,389,904.90x = 299,084,857.35 × 91,894,480.90
  4. Step 4: Simplify right side
    199,389,904.90x = 27,484,247,711,228,804
  5. Step 5: Solve for x
    x = 27,484,247,711,228,804/199,389,904.90
  6. Step 6: Final answer
    x = 137,841,721.35

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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.