Home / 198,156,899.02-297,117,611.38-75,344,197.22

Finding the Fourth Proportional to 198,156,899.02, 297,117,611.38 and 75,344,197.22

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Solution

The fourth proportional to 198,156,899.02, 297,117,611.38 and 75,344,197.22 is: 112,971,529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,156,899.02 : 297,117,611.38 = 75,344,197.22 : x
  2. Step 2: Convert to fraction form
    198,156,899.02/297,117,611.38 = 75,344,197.22/x
  3. Step 3: Cross multiply
    198,156,899.02x = 297,117,611.38 × 75,344,197.22
  4. Step 4: Simplify right side
    198,156,899.02x = 22,386,087,909,350,036
  5. Step 5: Solve for x
    x = 22,386,087,909,350,036/198,156,899.02
  6. Step 6: Final answer
    x = 112,971,529.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.