Home / 51,057,471.51-76,187,988.51-45,554,739.03

Finding the Fourth Proportional to 51,057,471.51, 76,187,988.51 and 45,554,739.03

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Solution

The fourth proportional to 51,057,471.51, 76,187,988.51 and 45,554,739.03 is: 67,976,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,057,471.51 : 76,187,988.51 = 45,554,739.03 : x
  2. Step 2: Convert to fraction form
    51,057,471.51/76,187,988.51 = 45,554,739.03/x
  3. Step 3: Cross multiply
    51,057,471.51x = 76,187,988.51 × 45,554,739.03
  4. Step 4: Simplify right side
    51,057,471.51x = 3,470,723,933,793,689
  5. Step 5: Solve for x
    x = 3,470,723,933,793,689/51,057,471.51
  6. Step 6: Final answer
    x = 67,976,807.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.