Home / 323,152,001.20-485,032,432.20-169,908,036.40

Finding the Fourth Proportional to 323,152,001.20, 485,032,432.20 and 169,908,036.40

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Solution

The fourth proportional to 323,152,001.20, 485,032,432.20 and 169,908,036.40 is: 255,022,119.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,152,001.20 : 485,032,432.20 = 169,908,036.40 : x
  2. Step 2: Convert to fraction form
    323,152,001.20/485,032,432.20 = 169,908,036.40/x
  3. Step 3: Cross multiply
    323,152,001.20x = 485,032,432.20 × 169,908,036.40
  4. Step 4: Simplify right side
    323,152,001.20x = 82,410,908,145,418,128
  5. Step 5: Solve for x
    x = 82,410,908,145,418,128/323,152,001.20
  6. Step 6: Final answer
    x = 255,022,119.12

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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.