Home / 206,221,384.86-284,586,991.56-112,134,857.60

Finding the Fourth Proportional to 206,221,384.86, 284,586,991.56 and 112,134,857.60

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Solution

The fourth proportional to 206,221,384.86, 284,586,991.56 and 112,134,857.60 is: 154,746,908.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,221,384.86 : 284,586,991.56 = 112,134,857.60 : x
  2. Step 2: Convert to fraction form
    206,221,384.86/284,586,991.56 = 112,134,857.60/x
  3. Step 3: Cross multiply
    206,221,384.86x = 284,586,991.56 × 112,134,857.60
  4. Step 4: Simplify right side
    206,221,384.86x = 31,912,121,773,393,000
  5. Step 5: Solve for x
    x = 31,912,121,773,393,000/206,221,384.86
  6. Step 6: Final answer
    x = 154,746,908.50

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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.