Home / 147,147,709.64-203,073,011.58-81,068,194.23

Finding the Fourth Proportional to 147,147,709.64, 203,073,011.58 and 81,068,194.23

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Solution

The fourth proportional to 147,147,709.64, 203,073,011.58 and 81,068,194.23 is: 111,879,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,147,709.64 : 203,073,011.58 = 81,068,194.23 : x
  2. Step 2: Convert to fraction form
    147,147,709.64/203,073,011.58 = 81,068,194.23/x
  3. Step 3: Cross multiply
    147,147,709.64x = 203,073,011.58 × 81,068,194.23
  4. Step 4: Simplify right side
    147,147,709.64x = 16,462,762,344,217,770
  5. Step 5: Solve for x
    x = 16,462,762,344,217,770/147,147,709.64
  6. Step 6: Final answer
    x = 111,879,161.32

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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.