Home / 91,887,661.02-126,805,822.63-50,636,029.66

Finding the Fourth Proportional to 91,887,661.02, 126,805,822.63 and 50,636,029.66

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Solution

The fourth proportional to 91,887,661.02, 126,805,822.63 and 50,636,029.66 is: 69,878,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,887,661.02 : 126,805,822.63 = 50,636,029.66 : x
  2. Step 2: Convert to fraction form
    91,887,661.02/126,805,822.63 = 50,636,029.66/x
  3. Step 3: Cross multiply
    91,887,661.02x = 126,805,822.63 × 50,636,029.66
  4. Step 4: Simplify right side
    91,887,661.02x = 6,420,943,395,753,379
  5. Step 5: Solve for x
    x = 6,420,943,395,753,379/91,887,661.02
  6. Step 6: Final answer
    x = 69,878,189.57

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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.