Home / 239,434,951.32-330,510,081.78-156,934,050.48

Finding the Fourth Proportional to 239,434,951.32, 330,510,081.78 and 156,934,050.48

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Solution

The fourth proportional to 239,434,951.32, 330,510,081.78 and 156,934,050.48 is: 216,627,879.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,434,951.32 : 330,510,081.78 = 156,934,050.48 : x
  2. Step 2: Convert to fraction form
    239,434,951.32/330,510,081.78 = 156,934,050.48/x
  3. Step 3: Cross multiply
    239,434,951.32x = 330,510,081.78 × 156,934,050.48
  4. Step 4: Simplify right side
    239,434,951.32x = 51,868,285,858,211,440
  5. Step 5: Solve for x
    x = 51,868,285,858,211,440/239,434,951.32
  6. Step 6: Final answer
    x = 216,627,879.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.