Home / 308,195,934.24-425,299,103.20-168,963,641.12

Finding the Fourth Proportional to 308,195,934.24, 425,299,103.20 and 168,963,641.12

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Solution

The fourth proportional to 308,195,934.24, 425,299,103.20 and 168,963,641.12 is: 233,163,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,195,934.24 : 425,299,103.20 = 168,963,641.12 : x
  2. Step 2: Convert to fraction form
    308,195,934.24/425,299,103.20 = 168,963,641.12/x
  3. Step 3: Cross multiply
    308,195,934.24x = 425,299,103.20 × 168,963,641.12
  4. Step 4: Simplify right side
    308,195,934.24x = 71,860,085,041,742,640
  5. Step 5: Solve for x
    x = 71,860,085,041,742,640/308,195,934.24
  6. Step 6: Final answer
    x = 233,163,637.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.