Home / 148,007,626.80-221,586,287.40-90,611,998.80

Finding the Fourth Proportional to 148,007,626.80, 221,586,287.40 and 90,611,998.80

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Solution

The fourth proportional to 148,007,626.80, 221,586,287.40 and 90,611,998.80 is: 135,657,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,007,626.80 : 221,586,287.40 = 90,611,998.80 : x
  2. Step 2: Convert to fraction form
    148,007,626.80/221,586,287.40 = 90,611,998.80/x
  3. Step 3: Cross multiply
    148,007,626.80x = 221,586,287.40 × 90,611,998.80
  4. Step 4: Simplify right side
    148,007,626.80x = 20,078,376,407,985,256
  5. Step 5: Solve for x
    x = 20,078,376,407,985,256/148,007,626.80
  6. Step 6: Final answer
    x = 135,657,714.69

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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.