Home / 154,588,991.01-213,331,550.09-84,973,631.73

Finding the Fourth Proportional to 154,588,991.01, 213,331,550.09 and 84,973,631.73

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Solution

The fourth proportional to 154,588,991.01, 213,331,550.09 and 84,973,631.73 is: 117,262,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,588,991.01 : 213,331,550.09 = 84,973,631.73 : x
  2. Step 2: Convert to fraction form
    154,588,991.01/213,331,550.09 = 84,973,631.73/x
  3. Step 3: Cross multiply
    154,588,991.01x = 213,331,550.09 × 84,973,631.73
  4. Step 4: Simplify right side
    154,588,991.01x = 18,127,556,573,312,840
  5. Step 5: Solve for x
    x = 18,127,556,573,312,840/154,588,991.01
  6. Step 6: Final answer
    x = 117,262,920.57

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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.