Home / 90,116,664.12-124,363,441.80-50,964,295.68

Finding the Fourth Proportional to 90,116,664.12, 124,363,441.80 and 50,964,295.68

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Solution

The fourth proportional to 90,116,664.12, 124,363,441.80 and 50,964,295.68 is: 70,332,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,116,664.12 : 124,363,441.80 = 50,964,295.68 : x
  2. Step 2: Convert to fraction form
    90,116,664.12/124,363,441.80 = 50,964,295.68/x
  3. Step 3: Cross multiply
    90,116,664.12x = 124,363,441.80 × 50,964,295.68
  4. Step 4: Simplify right side
    90,116,664.12x = 6,338,095,219,677,671
  5. Step 5: Solve for x
    x = 6,338,095,219,677,671/90,116,664.12
  6. Step 6: Final answer
    x = 70,332,110.95

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1.5x scale

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.