Home / 154,804,740.50-213,627,778.72-84,237,944.15

Finding the Fourth Proportional to 154,804,740.50, 213,627,778.72 and 84,237,944.15

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Solution

The fourth proportional to 154,804,740.50, 213,627,778.72 and 84,237,944.15 is: 116,246,859.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,804,740.50 : 213,627,778.72 = 84,237,944.15 : x
  2. Step 2: Convert to fraction form
    154,804,740.50/213,627,778.72 = 84,237,944.15/x
  3. Step 3: Cross multiply
    154,804,740.50x = 213,627,778.72 × 84,237,944.15
  4. Step 4: Simplify right side
    154,804,740.50x = 17,995,564,893,027,394
  5. Step 5: Solve for x
    x = 17,995,564,893,027,394/154,804,740.50
  6. Step 6: Final answer
    x = 116,246,859.33

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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.