Home / 47,619,347.48-65,728,684.98-31,101,997.16

Finding the Fourth Proportional to 47,619,347.48, 65,728,684.98 and 31,101,997.16

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Solution

The fourth proportional to 47,619,347.48, 65,728,684.98 and 31,101,997.16 is: 42,929,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619,347.48 : 65,728,684.98 = 31,101,997.16 : x
  2. Step 2: Convert to fraction form
    47,619,347.48/65,728,684.98 = 31,101,997.16/x
  3. Step 3: Cross multiply
    47,619,347.48x = 65,728,684.98 × 31,101,997.16
  4. Step 4: Simplify right side
    47,619,347.48x = 2,044,293,373,578,494.50
  5. Step 5: Solve for x
    x = 2,044,293,373,578,494.50/47,619,347.48
  6. Step 6: Final answer
    x = 42,929,890.51

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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.