Home / 147,038,105,285.44-202,910,522,692.11-81,935,276,535.47

Finding the Fourth Proportional to 147,038,105,285.44, 202,910,522,692.11 and 81,935,276,535.47

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Solution

The fourth proportional to 147,038,105,285.44, 202,910,522,692.11 and 81,935,276,535.47 is: 113,069,532,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,038,105,285.44 : 202,910,522,692.11 = 81,935,276,535.47 : x
  2. Step 2: Convert to fraction form
    147,038,105,285.44/202,910,522,692.11 = 81,935,276,535.47/x
  3. Step 3: Cross multiply
    147,038,105,285.44x = 202,910,522,692.11 × 81,935,276,535.47
  4. Step 4: Simplify right side
    147,038,105,285.44x = 16,625,529,788,734,793,318,400
  5. Step 5: Solve for x
    x = 16,625,529,788,734,793,318,400/147,038,105,285.44
  6. Step 6: Final answer
    x = 113,069,532,258.05

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1.5x scale

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.