Home / 186,792,356.20-279,432,707.10-164,117,540.20

Finding the Fourth Proportional to 186,792,356.20, 279,432,707.10 and 164,117,540.20

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Solution

The fourth proportional to 186,792,356.20, 279,432,707.10 and 164,117,540.20 is: 245,512,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,792,356.20 : 279,432,707.10 = 164,117,540.20 : x
  2. Step 2: Convert to fraction form
    186,792,356.20/279,432,707.10 = 164,117,540.20/x
  3. Step 3: Cross multiply
    186,792,356.20x = 279,432,707.10 × 164,117,540.20
  4. Step 4: Simplify right side
    186,792,356.20x = 45,859,808,540,679,080
  5. Step 5: Solve for x
    x = 45,859,808,540,679,080/186,792,356.20
  6. Step 6: Final answer
    x = 245,512,233.34

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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.