Home / 79,906,174.79-119,864,675.01-28,084,477.15

Finding the Fourth Proportional to 79,906,174.79, 119,864,675.01 and 28,084,477.15

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Solution

The fourth proportional to 79,906,174.79, 119,864,675.01 and 28,084,477.15 is: 42,128,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,906,174.79 : 119,864,675.01 = 28,084,477.15 : x
  2. Step 2: Convert to fraction form
    79,906,174.79/119,864,675.01 = 28,084,477.15/x
  3. Step 3: Cross multiply
    79,906,174.79x = 119,864,675.01 × 28,084,477.15
  4. Step 4: Simplify right side
    79,906,174.79x = 3,366,336,725,811,197.50
  5. Step 5: Solve for x
    x = 3,366,336,725,811,197.50/79,906,174.79
  6. Step 6: Final answer
    x = 42,128,618.15

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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.