Home / 132,987,201,444.46-199,799,038,597.11-85,273,692,376.96

Finding the Fourth Proportional to 132,987,201,444.46, 199,799,038,597.11 and 85,273,692,376.96

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Solution

The fourth proportional to 132,987,201,444.46, 199,799,038,597.11 and 85,273,692,376.96 is: 128,114,597,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,987,201,444.46 : 199,799,038,597.11 = 85,273,692,376.96 : x
  2. Step 2: Convert to fraction form
    132,987,201,444.46/199,799,038,597.11 = 85,273,692,376.96/x
  3. Step 3: Cross multiply
    132,987,201,444.46x = 199,799,038,597.11 × 85,273,692,376.96
  4. Step 4: Simplify right side
    132,987,201,444.46x = 17,037,601,754,542,315,143,168
  5. Step 5: Solve for x
    x = 17,037,601,754,542,315,143,168/132,987,201,444.46
  6. Step 6: Final answer
    x = 128,114,597,265.65

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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.