Home / 119,612,218.38-165,064,927.58-64,608,074.88

Finding the Fourth Proportional to 119,612,218.38, 165,064,927.58 and 64,608,074.88

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Solution

The fourth proportional to 119,612,218.38, 165,064,927.58 and 64,608,074.88 is: 89,159,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,612,218.38 : 165,064,927.58 = 64,608,074.88 : x
  2. Step 2: Convert to fraction form
    119,612,218.38/165,064,927.58 = 64,608,074.88/x
  3. Step 3: Cross multiply
    119,612,218.38x = 165,064,927.58 × 64,608,074.88
  4. Step 4: Simplify right side
    119,612,218.38x = 10,664,527,201,150,418
  5. Step 5: Solve for x
    x = 10,664,527,201,150,418/119,612,218.38
  6. Step 6: Final answer
    x = 89,159,179.10

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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.