Home / 70,985,851.20-97,960,540.48-38,390,803.20

Finding the Fourth Proportional to 70,985,851.20, 97,960,540.48 and 38,390,803.20

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Solution

The fourth proportional to 70,985,851.20, 97,960,540.48 and 38,390,803.20 is: 52,979,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,985,851.20 : 97,960,540.48 = 38,390,803.20 : x
  2. Step 2: Convert to fraction form
    70,985,851.20/97,960,540.48 = 38,390,803.20/x
  3. Step 3: Cross multiply
    70,985,851.20x = 97,960,540.48 × 38,390,803.20
  4. Step 4: Simplify right side
    70,985,851.20x = 3,760,783,830,933,314
  5. Step 5: Solve for x
    x = 3,760,783,830,933,314/70,985,851.20
  6. Step 6: Final answer
    x = 52,979,344.02

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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.