Home / 79,861,830.32-119,805,983.82-28,032,984.23

Finding the Fourth Proportional to 79,861,830.32, 119,805,983.82 and 28,032,984.23

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Solution

The fourth proportional to 79,861,830.32, 119,805,983.82 and 28,032,984.23 is: 42,054,123.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,861,830.32 : 119,805,983.82 = 28,032,984.23 : x
  2. Step 2: Convert to fraction form
    79,861,830.32/119,805,983.82 = 28,032,984.23/x
  3. Step 3: Cross multiply
    79,861,830.32x = 119,805,983.82 × 28,032,984.23
  4. Step 4: Simplify right side
    79,861,830.32x = 3,358,519,254,486,665
  5. Step 5: Solve for x
    x = 3,358,519,254,486,665/79,861,830.32
  6. Step 6: Final answer
    x = 42,054,123.24

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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.