Home / 101,280,041.64-139,767,128.49-54,870,295.56

Finding the Fourth Proportional to 101,280,041.64, 139,767,128.49 and 54,870,295.56

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Solution

The fourth proportional to 101,280,041.64, 139,767,128.49 and 54,870,295.56 is: 75,721,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,280,041.64 : 139,767,128.49 = 54,870,295.56 : x
  2. Step 2: Convert to fraction form
    101,280,041.64/139,767,128.49 = 54,870,295.56/x
  3. Step 3: Cross multiply
    101,280,041.64x = 139,767,128.49 × 54,870,295.56
  4. Step 4: Simplify right side
    101,280,041.64x = 7,669,063,649,818,797
  5. Step 5: Solve for x
    x = 7,669,063,649,818,797/101,280,041.64
  6. Step 6: Final answer
    x = 75,721,371.41

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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.