Home / 154,588,144.59-213,329,248.56-84,972,029.58

Finding the Fourth Proportional to 154,588,144.59, 213,329,248.56 and 84,972,029.58

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Solution

The fourth proportional to 154,588,144.59, 213,329,248.56 and 84,972,029.58 is: 117,260,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,588,144.59 : 213,329,248.56 = 84,972,029.58 : x
  2. Step 2: Convert to fraction form
    154,588,144.59/213,329,248.56 = 84,972,029.58/x
  3. Step 3: Cross multiply
    154,588,144.59x = 213,329,248.56 × 84,972,029.58
  4. Step 4: Simplify right side
    154,588,144.59x = 18,127,019,218,919,492
  5. Step 5: Solve for x
    x = 18,127,019,218,919,492/154,588,144.59
  6. Step 6: Final answer
    x = 117,260,086.58

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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.