Home / 204,101,345.20-306,152,017.80-122,472,007.60

Finding the Fourth Proportional to 204,101,345.20, 306,152,017.80 and 122,472,007.60

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Solution

The fourth proportional to 204,101,345.20, 306,152,017.80 and 122,472,007.60 is: 183,708,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,101,345.20 : 306,152,017.80 = 122,472,007.60 : x
  2. Step 2: Convert to fraction form
    204,101,345.20/306,152,017.80 = 122,472,007.60/x
  3. Step 3: Cross multiply
    204,101,345.20x = 306,152,017.80 × 122,472,007.60
  4. Step 4: Simplify right side
    204,101,345.20x = 37,495,052,250,756,936
  5. Step 5: Solve for x
    x = 37,495,052,250,756,936/204,101,345.20
  6. Step 6: Final answer
    x = 183,708,011.40

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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.