Home / 76,986,606.06-106,241,514.03-42,180,614.46

Finding the Fourth Proportional to 76,986,606.06, 106,241,514.03 and 42,180,614.46

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Solution

The fourth proportional to 76,986,606.06, 106,241,514.03 and 42,180,614.46 is: 58,209,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,986,606.06 : 106,241,514.03 = 42,180,614.46 : x
  2. Step 2: Convert to fraction form
    76,986,606.06/106,241,514.03 = 42,180,614.46/x
  3. Step 3: Cross multiply
    76,986,606.06x = 106,241,514.03 × 42,180,614.46
  4. Step 4: Simplify right side
    76,986,606.06x = 4,481,332,342,946,111
  5. Step 5: Solve for x
    x = 4,481,332,342,946,111/76,986,606.06
  6. Step 6: Final answer
    x = 58,209,246.68

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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.