Home / 386,683,872.32-580,010,078.08-95,543,663.20

Finding the Fourth Proportional to 386,683,872.32, 580,010,078.08 and 95,543,663.20

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Solution

The fourth proportional to 386,683,872.32, 580,010,078.08 and 95,543,663.20 is: 143,311,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,683,872.32 : 580,010,078.08 = 95,543,663.20 : x
  2. Step 2: Convert to fraction form
    386,683,872.32/580,010,078.08 = 95,543,663.20/x
  3. Step 3: Cross multiply
    386,683,872.32x = 580,010,078.08 × 95,543,663.20
  4. Step 4: Simplify right side
    386,683,872.32x = 55,416,287,552,681,232
  5. Step 5: Solve for x
    x = 55,416,287,552,681,232/386,683,872.32
  6. Step 6: Final answer
    x = 143,311,608.06

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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.