Home / 206,221,383.86-284,586,990.18-112,134,856.60

Finding the Fourth Proportional to 206,221,383.86, 284,586,990.18 and 112,134,856.60

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Solution

The fourth proportional to 206,221,383.86, 284,586,990.18 and 112,134,856.60 is: 154,746,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,221,383.86 : 284,586,990.18 = 112,134,856.60 : x
  2. Step 2: Convert to fraction form
    206,221,383.86/284,586,990.18 = 112,134,856.60/x
  3. Step 3: Cross multiply
    206,221,383.86x = 284,586,990.18 × 112,134,856.60
  4. Step 4: Simplify right side
    206,221,383.86x = 31,912,121,333,348,440
  5. Step 5: Solve for x
    x = 31,912,121,333,348,440/206,221,383.86
  6. Step 6: Final answer
    x = 154,746,907.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.