Home / 72,263,664-108,416,789.28-29,110,661.28

Finding the Fourth Proportional to 72,263,664, 108,416,789.28 and 29,110,661.28

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Solution

The fourth proportional to 72,263,664, 108,416,789.28 and 29,110,661.28 is: 43,674,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,263,664 : 108,416,789.28 = 29,110,661.28 : x
  2. Step 2: Convert to fraction form
    72,263,664/108,416,789.28 = 29,110,661.28/x
  3. Step 3: Cross multiply
    72,263,664x = 108,416,789.28 × 29,110,661.28
  4. Step 4: Simplify right side
    72,263,664x = 3,156,084,429,795,215
  5. Step 5: Solve for x
    x = 3,156,084,429,795,215/72,263,664
  6. Step 6: Final answer
    x = 43,674,569.70

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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.