Home / 206,225,787.78-284,596,980.79-112,145,437.13

Finding the Fourth Proportional to 206,225,787.78, 284,596,980.79 and 112,145,437.13

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Solution

The fourth proportional to 206,225,787.78, 284,596,980.79 and 112,145,437.13 is: 154,763,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,225,787.78 : 284,596,980.79 = 112,145,437.13 : x
  2. Step 2: Convert to fraction form
    206,225,787.78/284,596,980.79 = 112,145,437.13/x
  3. Step 3: Cross multiply
    206,225,787.78x = 284,596,980.79 × 112,145,437.13
  4. Step 4: Simplify right side
    206,225,787.78x = 31,916,252,814,869,416
  5. Step 5: Solve for x
    x = 31,916,252,814,869,416/206,225,787.78
  6. Step 6: Final answer
    x = 154,763,636.30

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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.