Home / 132,987,201,443.46-199,799,038,595.61-85,273,692,375.96

Finding the Fourth Proportional to 132,987,201,443.46, 199,799,038,595.61 and 85,273,692,375.96

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Solution

The fourth proportional to 132,987,201,443.46, 199,799,038,595.61 and 85,273,692,375.96 is: 128,114,597,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,987,201,443.46 : 199,799,038,595.61 = 85,273,692,375.96 : x
  2. Step 2: Convert to fraction form
    132,987,201,443.46/199,799,038,595.61 = 85,273,692,375.96/x
  3. Step 3: Cross multiply
    132,987,201,443.46x = 199,799,038,595.61 × 85,273,692,375.96
  4. Step 4: Simplify right side
    132,987,201,443.46x = 17,037,601,754,214,605,783,040
  5. Step 5: Solve for x
    x = 17,037,601,754,214,605,783,040/132,987,201,443.46
  6. Step 6: Final answer
    x = 128,114,597,264.15

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1.5x scale

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.