Home / 323,518,110.60-485,277,165.90-142,119,582.60

Finding the Fourth Proportional to 323,518,110.60, 485,277,165.90 and 142,119,582.60

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Solution

The fourth proportional to 323,518,110.60, 485,277,165.90 and 142,119,582.60 is: 213,179,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,518,110.60 : 485,277,165.90 = 142,119,582.60 : x
  2. Step 2: Convert to fraction form
    323,518,110.60/485,277,165.90 = 142,119,582.60/x
  3. Step 3: Cross multiply
    323,518,110.60x = 485,277,165.90 × 142,119,582.60
  4. Step 4: Simplify right side
    323,518,110.60x = 68,967,388,263,018,944
  5. Step 5: Solve for x
    x = 68,967,388,263,018,944/323,518,110.60
  6. Step 6: Final answer
    x = 213,179,373.90

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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.