Home / 154,588,141.59-213,329,244.42-84,972,026.58

Finding the Fourth Proportional to 154,588,141.59, 213,329,244.42 and 84,972,026.58

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Solution

The fourth proportional to 154,588,141.59, 213,329,244.42 and 84,972,026.58 is: 117,260,082.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,588,141.59 : 213,329,244.42 = 84,972,026.58 : x
  2. Step 2: Convert to fraction form
    154,588,141.59/213,329,244.42 = 84,972,026.58/x
  3. Step 3: Cross multiply
    154,588,141.59x = 213,329,244.42 × 84,972,026.58
  4. Step 4: Simplify right side
    154,588,141.59x = 18,127,018,227,147,556
  5. Step 5: Solve for x
    x = 18,127,018,227,147,556/154,588,141.59
  6. Step 6: Final answer
    x = 117,260,082.44

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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.