Home / 105,414,873.87-145,464,583.28-64,157,206.35

Finding the Fourth Proportional to 105,414,873.87, 145,464,583.28 and 64,157,206.35

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Solution

The fourth proportional to 105,414,873.87, 145,464,583.28 and 64,157,206.35 is: 88,532,110.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,414,873.87 : 145,464,583.28 = 64,157,206.35 : x
  2. Step 2: Convert to fraction form
    105,414,873.87/145,464,583.28 = 64,157,206.35/x
  3. Step 3: Cross multiply
    105,414,873.87x = 145,464,583.28 × 64,157,206.35
  4. Step 4: Simplify right side
    105,414,873.87x = 9,332,601,285,790,934
  5. Step 5: Solve for x
    x = 9,332,601,285,790,934/105,414,873.87
  6. Step 6: Final answer
    x = 88,532,110.73

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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.