Home / 119,789,211.44-165,309,222.12-64,785,069.20

Finding the Fourth Proportional to 119,789,211.44, 165,309,222.12 and 64,785,069.20

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Solution

The fourth proportional to 119,789,211.44, 165,309,222.12 and 64,785,069.20 is: 89,403,455.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,789,211.44 : 165,309,222.12 = 64,785,069.20 : x
  2. Step 2: Convert to fraction form
    119,789,211.44/165,309,222.12 = 64,785,069.20/x
  3. Step 3: Cross multiply
    119,789,211.44x = 165,309,222.12 × 64,785,069.20
  4. Step 4: Simplify right side
    119,789,211.44x = 10,709,569,394,442,372
  5. Step 5: Solve for x
    x = 10,709,569,394,442,372/119,789,211.44
  6. Step 6: Final answer
    x = 89,403,455.17

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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.