Home / 101,187,754.96-139,639,146.93-54,778,007.38

Finding the Fourth Proportional to 101,187,754.96, 139,639,146.93 and 54,778,007.38

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Solution

The fourth proportional to 101,187,754.96, 139,639,146.93 and 54,778,007.38 is: 75,593,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,187,754.96 : 139,639,146.93 = 54,778,007.38 : x
  2. Step 2: Convert to fraction form
    101,187,754.96/139,639,146.93 = 54,778,007.38/x
  3. Step 3: Cross multiply
    101,187,754.96x = 139,639,146.93 × 54,778,007.38
  4. Step 4: Simplify right side
    101,187,754.96x = 7,649,154,220,096,359
  5. Step 5: Solve for x
    x = 7,649,154,220,096,359/101,187,754.96
  6. Step 6: Final answer
    x = 75,593,674.59

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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.