Home / 239,152,090.20-358,728,135.30-181,331,309.40

Finding the Fourth Proportional to 239,152,090.20, 358,728,135.30 and 181,331,309.40

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Solution

The fourth proportional to 239,152,090.20, 358,728,135.30 and 181,331,309.40 is: 271,996,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,152,090.20 : 358,728,135.30 = 181,331,309.40 : x
  2. Step 2: Convert to fraction form
    239,152,090.20/358,728,135.30 = 181,331,309.40/x
  3. Step 3: Cross multiply
    239,152,090.20x = 358,728,135.30 × 181,331,309.40
  4. Step 4: Simplify right side
    239,152,090.20x = 65,048,642,492,569,368
  5. Step 5: Solve for x
    x = 65,048,642,492,569,368/239,152,090.20
  6. Step 6: Final answer
    x = 271,996,964.10

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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.