Home / 209,952,005.30-314,928,007.95-185,718,295.70

Finding the Fourth Proportional to 209,952,005.30, 314,928,007.95 and 185,718,295.70

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Solution

The fourth proportional to 209,952,005.30, 314,928,007.95 and 185,718,295.70 is: 278,577,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,005.30 : 314,928,007.95 = 185,718,295.70 : x
  2. Step 2: Convert to fraction form
    209,952,005.30/314,928,007.95 = 185,718,295.70/x
  3. Step 3: Cross multiply
    209,952,005.30x = 314,928,007.95 × 185,718,295.70
  4. Step 4: Simplify right side
    209,952,005.30x = 58,487,892,904,670,048
  5. Step 5: Solve for x
    x = 58,487,892,904,670,048/209,952,005.30
  6. Step 6: Final answer
    x = 278,577,443.55

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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.