Home / 66,473,049.90-91,748,114.46-38,979,835.50

Finding the Fourth Proportional to 66,473,049.90, 91,748,114.46 and 38,979,835.50

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Solution

The fourth proportional to 66,473,049.90, 91,748,114.46 and 38,979,835.50 is: 53,801,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,473,049.90 : 91,748,114.46 = 38,979,835.50 : x
  2. Step 2: Convert to fraction form
    66,473,049.90/91,748,114.46 = 38,979,835.50/x
  3. Step 3: Cross multiply
    66,473,049.90x = 91,748,114.46 × 38,979,835.50
  4. Step 4: Simplify right side
    66,473,049.90x = 3,576,326,409,085,971
  5. Step 5: Solve for x
    x = 3,576,326,409,085,971/66,473,049.90
  6. Step 6: Final answer
    x = 53,801,148.20

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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.