Home / 119,979,119.20-165,570,360.20-64,973,716.96

Finding the Fourth Proportional to 119,979,119.20, 165,570,360.20 and 64,973,716.96

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Solution

The fourth proportional to 119,979,119.20, 165,570,360.20 and 64,973,716.96 is: 89,663,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,979,119.20 : 165,570,360.20 = 64,973,716.96 : x
  2. Step 2: Convert to fraction form
    119,979,119.20/165,570,360.20 = 64,973,716.96/x
  3. Step 3: Cross multiply
    119,979,119.20x = 165,570,360.20 × 64,973,716.96
  4. Step 4: Simplify right side
    119,979,119.20x = 10,757,721,720,600,048
  5. Step 5: Solve for x
    x = 10,757,721,720,600,048/119,979,119.20
  6. Step 6: Final answer
    x = 89,663,283.01

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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.