Home / 90,811,277.73-125,319,529.31-49,558,170.15

Finding the Fourth Proportional to 90,811,277.73, 125,319,529.31 and 49,558,170.15

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Solution

The fourth proportional to 90,811,277.73, 125,319,529.31 and 49,558,170.15 is: 68,390,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,811,277.73 : 125,319,529.31 = 49,558,170.15 : x
  2. Step 2: Convert to fraction form
    90,811,277.73/125,319,529.31 = 49,558,170.15/x
  3. Step 3: Cross multiply
    90,811,277.73x = 125,319,529.31 × 49,558,170.15
  4. Step 4: Simplify right side
    90,811,277.73x = 6,210,606,556,415,101
  5. Step 5: Solve for x
    x = 6,210,606,556,415,101/90,811,277.73
  6. Step 6: Final answer
    x = 68,390,256.27

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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.