Home / 135,007,404.04-186,309,225.69-76,269,001.78

Finding the Fourth Proportional to 135,007,404.04, 186,309,225.69 and 76,269,001.78

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Solution

The fourth proportional to 135,007,404.04, 186,309,225.69 and 76,269,001.78 is: 105,250,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,007,404.04 : 186,309,225.69 = 76,269,001.78 : x
  2. Step 2: Convert to fraction form
    135,007,404.04/186,309,225.69 = 76,269,001.78/x
  3. Step 3: Cross multiply
    135,007,404.04x = 186,309,225.69 × 76,269,001.78
  4. Step 4: Simplify right side
    135,007,404.04x = 14,209,618,665,781,032
  5. Step 5: Solve for x
    x = 14,209,618,665,781,032/135,007,404.04
  6. Step 6: Final answer
    x = 105,250,662.12

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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.