Home / 108,021,171,193.50-161,968,949,679.87-40,873,603,376.46

Finding the Fourth Proportional to 108,021,171,193.50, 161,968,949,679.87 and 40,873,603,376.46

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Solution

The fourth proportional to 108,021,171,193.50, 161,968,949,679.87 and 40,873,603,376.46 is: 61,286,639,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,021,171,193.50 : 161,968,949,679.87 = 40,873,603,376.46 : x
  2. Step 2: Convert to fraction form
    108,021,171,193.50/161,968,949,679.87 = 40,873,603,376.46/x
  3. Step 3: Cross multiply
    108,021,171,193.50x = 161,968,949,679.87 × 40,873,603,376.46
  4. Step 4: Simplify right side
    108,021,171,193.50x = 6,620,254,608,516,814,209,024
  5. Step 5: Solve for x
    x = 6,620,254,608,516,814,209,024/108,021,171,193.50
  6. Step 6: Final answer
    x = 61,286,639,788.95

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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.