Home / 131,123,329,297.80-196,703,756,099.45-40,372,424,147.94

Finding the Fourth Proportional to 131,123,329,297.80, 196,703,756,099.45 and 40,372,424,147.94

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Solution

The fourth proportional to 131,123,329,297.80, 196,703,756,099.45 and 40,372,424,147.94 is: 60,564,413,024.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,123,329,297.80 : 196,703,756,099.45 = 40,372,424,147.94 : x
  2. Step 2: Convert to fraction form
    131,123,329,297.80/196,703,756,099.45 = 40,372,424,147.94/x
  3. Step 3: Cross multiply
    131,123,329,297.80x = 196,703,756,099.45 × 40,372,424,147.94
  4. Step 4: Simplify right side
    131,123,329,297.80x = 7,941,407,472,739,936,108,544
  5. Step 5: Solve for x
    x = 7,941,407,472,739,936,108,544/131,123,329,297.80
  6. Step 6: Final answer
    x = 60,564,413,024.50

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1.5x scale

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.