Home / 131,123,329,294.05-196,703,756,093.82-40,372,424,144.19

Finding the Fourth Proportional to 131,123,329,294.05, 196,703,756,093.82 and 40,372,424,144.19

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Solution

The fourth proportional to 131,123,329,294.05, 196,703,756,093.82 and 40,372,424,144.19 is: 60,564,413,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,123,329,294.05 : 196,703,756,093.82 = 40,372,424,144.19 : x
  2. Step 2: Convert to fraction form
    131,123,329,294.05/196,703,756,093.82 = 40,372,424,144.19/x
  3. Step 3: Cross multiply
    131,123,329,294.05x = 196,703,756,093.82 × 40,372,424,144.19
  4. Step 4: Simplify right side
    131,123,329,294.05x = 7,941,407,471,774,999,773,184
  5. Step 5: Solve for x
    x = 7,941,407,471,774,999,773,184/131,123,329,294.05
  6. Step 6: Final answer
    x = 60,564,413,018.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.