Home / 91,147,511.52-125,783,905.32-49,898,242.08

Finding the Fourth Proportional to 91,147,511.52, 125,783,905.32 and 49,898,242.08

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Solution

The fourth proportional to 91,147,511.52, 125,783,905.32 and 49,898,242.08 is: 68,859,759.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,147,511.52 : 125,783,905.32 = 49,898,242.08 : x
  2. Step 2: Convert to fraction form
    91,147,511.52/125,783,905.32 = 49,898,242.08/x
  3. Step 3: Cross multiply
    91,147,511.52x = 125,783,905.32 × 49,898,242.08
  4. Step 4: Simplify right side
    91,147,511.52x = 6,276,395,757,425,159
  5. Step 5: Solve for x
    x = 6,276,395,757,425,159/91,147,511.52
  6. Step 6: Final answer
    x = 68,859,759.89

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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.