Home / 131,597,033.67-181,616,092.81-72,859,699.63

Finding the Fourth Proportional to 131,597,033.67, 181,616,092.81 and 72,859,699.63

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Solution

The fourth proportional to 131,597,033.67, 181,616,092.81 and 72,859,699.63 is: 100,553,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,597,033.67 : 181,616,092.81 = 72,859,699.63 : x
  2. Step 2: Convert to fraction form
    131,597,033.67/181,616,092.81 = 72,859,699.63/x
  3. Step 3: Cross multiply
    131,597,033.67x = 181,616,092.81 × 72,859,699.63
  4. Step 4: Simplify right side
    131,597,033.67x = 13,232,493,969,593,990
  5. Step 5: Solve for x
    x = 13,232,493,969,593,990/131,597,033.67
  6. Step 6: Final answer
    x = 100,553,132.55

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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.