Home / 147,413,999.10-221,120,998.65-130,407,887.10

Finding the Fourth Proportional to 147,413,999.10, 221,120,998.65 and 130,407,887.10

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Solution

The fourth proportional to 147,413,999.10, 221,120,998.65 and 130,407,887.10 is: 195,611,830.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,413,999.10 : 221,120,998.65 = 130,407,887.10 : x
  2. Step 2: Convert to fraction form
    147,413,999.10/221,120,998.65 = 130,407,887.10/x
  3. Step 3: Cross multiply
    147,413,999.10x = 221,120,998.65 × 130,407,887.10
  4. Step 4: Simplify right side
    147,413,999.10x = 28,835,922,227,388,452
  5. Step 5: Solve for x
    x = 28,835,922,227,388,452/147,413,999.10
  6. Step 6: Final answer
    x = 195,611,830.65

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Similar ratio
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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.