Home / 323,517,762.10-485,276,643.15-142,119,234.10

Finding the Fourth Proportional to 323,517,762.10, 485,276,643.15 and 142,119,234.10

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Solution

The fourth proportional to 323,517,762.10, 485,276,643.15 and 142,119,234.10 is: 213,178,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,517,762.10 : 485,276,643.15 = 142,119,234.10 : x
  2. Step 2: Convert to fraction form
    323,517,762.10/485,276,643.15 = 142,119,234.10/x
  3. Step 3: Cross multiply
    323,517,762.10x = 485,276,643.15 × 142,119,234.10
  4. Step 4: Simplify right side
    323,517,762.10x = 68,967,144,851,097,008
  5. Step 5: Solve for x
    x = 68,967,144,851,097,008/323,517,762.10
  6. Step 6: Final answer
    x = 213,178,851.15

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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.