Home / 131,639,904,230.40-197,459,856,345.60-129,027,765,427.20

Finding the Fourth Proportional to 131,639,904,230.40, 197,459,856,345.60 and 129,027,765,427.20

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Solution

The fourth proportional to 131,639,904,230.40, 197,459,856,345.60 and 129,027,765,427.20 is: 193,541,648,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,639,904,230.40 : 197,459,856,345.60 = 129,027,765,427.20 : x
  2. Step 2: Convert to fraction form
    131,639,904,230.40/197,459,856,345.60 = 129,027,765,427.20/x
  3. Step 3: Cross multiply
    131,639,904,230.40x = 197,459,856,345.60 × 129,027,765,427.20
  4. Step 4: Simplify right side
    131,639,904,230.40x = 25,477,804,025,848,688,279,552
  5. Step 5: Solve for x
    x = 25,477,804,025,848,688,279,552/131,639,904,230.40
  6. Step 6: Final answer
    x = 193,541,648,140.80

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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.