Home / 80,476,326.23-111,060,009.79-45,200,338.28

Finding the Fourth Proportional to 80,476,326.23, 111,060,009.79 and 45,200,338.28

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Solution

The fourth proportional to 80,476,326.23, 111,060,009.79 and 45,200,338.28 is: 62,377,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,476,326.23 : 111,060,009.79 = 45,200,338.28 : x
  2. Step 2: Convert to fraction form
    80,476,326.23/111,060,009.79 = 45,200,338.28/x
  3. Step 3: Cross multiply
    80,476,326.23x = 111,060,009.79 × 45,200,338.28
  4. Step 4: Simplify right side
    80,476,326.23x = 5,019,950,011,219,810
  5. Step 5: Solve for x
    x = 5,019,950,011,219,810/80,476,326.23
  6. Step 6: Final answer
    x = 62,377,971.84

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1.5x scale

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.