Home / 112,108,933.60-168,163,400.40-66,003,474.40

Finding the Fourth Proportional to 112,108,933.60, 168,163,400.40 and 66,003,474.40

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Solution

The fourth proportional to 112,108,933.60, 168,163,400.40 and 66,003,474.40 is: 99,005,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,108,933.60 : 168,163,400.40 = 66,003,474.40 : x
  2. Step 2: Convert to fraction form
    112,108,933.60/168,163,400.40 = 66,003,474.40/x
  3. Step 3: Cross multiply
    112,108,933.60x = 168,163,400.40 × 66,003,474.40
  4. Step 4: Simplify right side
    112,108,933.60x = 11,099,368,693,318,350
  5. Step 5: Solve for x
    x = 11,099,368,693,318,350/112,108,933.60
  6. Step 6: Final answer
    x = 99,005,211.60

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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.