Home / 90,947,856.60-136,422,951.30-30,363,582.60

Finding the Fourth Proportional to 90,947,856.60, 136,422,951.30 and 30,363,582.60

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Solution

The fourth proportional to 90,947,856.60, 136,422,951.30 and 30,363,582.60 is: 45,545,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,947,856.60 : 136,422,951.30 = 30,363,582.60 : x
  2. Step 2: Convert to fraction form
    90,947,856.60/136,422,951.30 = 30,363,582.60/x
  3. Step 3: Cross multiply
    90,947,856.60x = 136,422,951.30 × 30,363,582.60
  4. Step 4: Simplify right side
    90,947,856.60x = 4,142,289,550,333,328
  5. Step 5: Solve for x
    x = 4,142,289,550,333,328/90,947,856.60
  6. Step 6: Final answer
    x = 45,545,763.31

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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.