Home / 66,472,442.81-91,747,276.59-38,979,228.41

Finding the Fourth Proportional to 66,472,442.81, 91,747,276.59 and 38,979,228.41

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Solution

The fourth proportional to 66,472,442.81, 91,747,276.59 and 38,979,228.41 is: 53,800,310.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,472,442.81 : 91,747,276.59 = 38,979,228.41 : x
  2. Step 2: Convert to fraction form
    66,472,442.81/91,747,276.59 = 38,979,228.41/x
  3. Step 3: Cross multiply
    66,472,442.81x = 91,747,276.59 × 38,979,228.41
  4. Step 4: Simplify right side
    66,472,442.81x = 3,576,238,050,228,543.50
  5. Step 5: Solve for x
    x = 3,576,238,050,228,543.50/66,472,442.81
  6. Step 6: Final answer
    x = 53,800,310.31

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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.