Home / 42,670,063.35-63,979,176.32-16,731,288.12

Finding the Fourth Proportional to 42,670,063.35, 63,979,176.32 and 16,731,288.12

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Solution

The fourth proportional to 42,670,063.35, 63,979,176.32 and 16,731,288.12 is: 25,086,769.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670,063.35 : 63,979,176.32 = 16,731,288.12 : x
  2. Step 2: Convert to fraction form
    42,670,063.35/63,979,176.32 = 16,731,288.12/x
  3. Step 3: Cross multiply
    42,670,063.35x = 63,979,176.32 × 16,731,288.12
  4. Step 4: Simplify right side
    42,670,063.35x = 1,070,454,032,606,544.75
  5. Step 5: Solve for x
    x = 1,070,454,032,606,544.75/42,670,063.35
  6. Step 6: Final answer
    x = 25,086,769.24

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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.