Home / 165,392,344.80-248,088,517.20-139,564,312.20

Finding the Fourth Proportional to 165,392,344.80, 248,088,517.20 and 139,564,312.20

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Solution

The fourth proportional to 165,392,344.80, 248,088,517.20 and 139,564,312.20 is: 209,346,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,392,344.80 : 248,088,517.20 = 139,564,312.20 : x
  2. Step 2: Convert to fraction form
    165,392,344.80/248,088,517.20 = 139,564,312.20/x
  3. Step 3: Cross multiply
    165,392,344.80x = 248,088,517.20 × 139,564,312.20
  4. Step 4: Simplify right side
    165,392,344.80x = 34,624,303,267,735,864
  5. Step 5: Solve for x
    x = 34,624,303,267,735,864/165,392,344.80
  6. Step 6: Final answer
    x = 209,346,468.30

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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.