Home / 147,147,710.64-203,073,012.96-81,068,195.23

Finding the Fourth Proportional to 147,147,710.64, 203,073,012.96 and 81,068,195.23

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Solution

The fourth proportional to 147,147,710.64, 203,073,012.96 and 81,068,195.23 is: 111,879,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,147,710.64 : 203,073,012.96 = 81,068,195.23 : x
  2. Step 2: Convert to fraction form
    147,147,710.64/203,073,012.96 = 81,068,195.23/x
  3. Step 3: Cross multiply
    147,147,710.64x = 203,073,012.96 × 81,068,195.23
  4. Step 4: Simplify right side
    147,147,710.64x = 16,462,762,659,164,894
  5. Step 5: Solve for x
    x = 16,462,762,659,164,894/147,147,710.64
  6. Step 6: Final answer
    x = 111,879,162.70

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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.