Home / 159,843,692.71-220,584,293.24-86,504,834.71

Finding the Fourth Proportional to 159,843,692.71, 220,584,293.24 and 86,504,834.71

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Solution

The fourth proportional to 159,843,692.71, 220,584,293.24 and 86,504,834.71 is: 119,376,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,843,692.71 : 220,584,293.24 = 86,504,834.71 : x
  2. Step 2: Convert to fraction form
    159,843,692.71/220,584,293.24 = 86,504,834.71/x
  3. Step 3: Cross multiply
    159,843,692.71x = 220,584,293.24 × 86,504,834.71
  4. Step 4: Simplify right side
    159,843,692.71x = 19,081,607,826,348,368
  5. Step 5: Solve for x
    x = 19,081,607,826,348,368/159,843,692.71
  6. Step 6: Final answer
    x = 119,376,670.44

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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.