Home / 70,883,999.10-106,325,998.65-67,860,690.30

Finding the Fourth Proportional to 70,883,999.10, 106,325,998.65 and 67,860,690.30

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Solution

The fourth proportional to 70,883,999.10, 106,325,998.65 and 67,860,690.30 is: 101,791,035.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883,999.10 : 106,325,998.65 = 67,860,690.30 : x
  2. Step 2: Convert to fraction form
    70,883,999.10/106,325,998.65 = 67,860,690.30/x
  3. Step 3: Cross multiply
    70,883,999.10x = 106,325,998.65 × 67,860,690.30
  4. Step 4: Simplify right side
    70,883,999.10x = 7,215,355,665,225,868
  5. Step 5: Solve for x
    x = 7,215,355,665,225,868/70,883,999.10
  6. Step 6: Final answer
    x = 101,791,035.45

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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.