Home / 139,060,469.40-191,913,147.32-91,935,667.64

Finding the Fourth Proportional to 139,060,469.40, 191,913,147.32 and 91,935,667.64

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Solution

The fourth proportional to 139,060,469.40, 191,913,147.32 and 91,935,667.64 is: 126,877,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,060,469.40 : 191,913,147.32 = 91,935,667.64 : x
  2. Step 2: Convert to fraction form
    139,060,469.40/191,913,147.32 = 91,935,667.64/x
  3. Step 3: Cross multiply
    139,060,469.40x = 191,913,147.32 × 91,935,667.64
  4. Step 4: Simplify right side
    139,060,469.40x = 17,643,663,326,338,634
  5. Step 5: Solve for x
    x = 17,643,663,326,338,634/139,060,469.40
  6. Step 6: Final answer
    x = 126,877,633.90

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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.