Home / 154,858,558.13-213,709,215.57-84,298,718.80

Finding the Fourth Proportional to 154,858,558.13, 213,709,215.57 and 84,298,718.80

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Solution

The fourth proportional to 154,858,558.13, 213,709,215.57 and 84,298,718.80 is: 116,334,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,858,558.13 : 213,709,215.57 = 84,298,718.80 : x
  2. Step 2: Convert to fraction form
    154,858,558.13/213,709,215.57 = 84,298,718.80/x
  3. Step 3: Cross multiply
    154,858,558.13x = 213,709,215.57 × 84,298,718.80
  4. Step 4: Simplify right side
    154,858,558.13x = 18,015,413,068,304,012
  5. Step 5: Solve for x
    x = 18,015,413,068,304,012/154,858,558.13
  6. Step 6: Final answer
    x = 116,334,630.04

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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.