Home / 133,105,066.24-199,661,666.80-45,665,356.68

Finding the Fourth Proportional to 133,105,066.24, 199,661,666.80 and 45,665,356.68

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Solution

The fourth proportional to 133,105,066.24, 199,661,666.80 and 45,665,356.68 is: 68,499,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,105,066.24 : 199,661,666.80 = 45,665,356.68 : x
  2. Step 2: Convert to fraction form
    133,105,066.24/199,661,666.80 = 45,665,356.68/x
  3. Step 3: Cross multiply
    133,105,066.24x = 199,661,666.80 × 45,665,356.68
  4. Step 4: Simplify right side
    133,105,066.24x = 9,117,621,229,745,314
  5. Step 5: Solve for x
    x = 9,117,621,229,745,314/133,105,066.24
  6. Step 6: Final answer
    x = 68,499,430.47

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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.