Home / 101,073,407.31-139,481,302.30-54,663,661.22

Finding the Fourth Proportional to 101,073,407.31, 139,481,302.30 and 54,663,661.22

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Solution

The fourth proportional to 101,073,407.31, 139,481,302.30 and 54,663,661.22 is: 75,435,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,073,407.31 : 139,481,302.30 = 54,663,661.22 : x
  2. Step 2: Convert to fraction form
    101,073,407.31/139,481,302.30 = 54,663,661.22/x
  3. Step 3: Cross multiply
    101,073,407.31x = 139,481,302.30 × 54,663,661.22
  4. Step 4: Simplify right side
    101,073,407.31x = 7,624,558,655,451,607
  5. Step 5: Solve for x
    x = 7,624,558,655,451,607/101,073,407.31
  6. Step 6: Final answer
    x = 75,435,852.60

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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.