Home / 50,388,678.72-69,538,582.08-28,363,599.36

Finding the Fourth Proportional to 50,388,678.72, 69,538,582.08 and 28,363,599.36

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Solution

The fourth proportional to 50,388,678.72, 69,538,582.08 and 28,363,599.36 is: 39,143,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,388,678.72 : 69,538,582.08 = 28,363,599.36 : x
  2. Step 2: Convert to fraction form
    50,388,678.72/69,538,582.08 = 28,363,599.36/x
  3. Step 3: Cross multiply
    50,388,678.72x = 69,538,582.08 × 28,363,599.36
  4. Step 4: Simplify right side
    50,388,678.72x = 1,972,364,482,179,595.50
  5. Step 5: Solve for x
    x = 1,972,364,482,179,595.50/50,388,678.72
  6. Step 6: Final answer
    x = 39,143,008.55

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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.