Home / 101,073,407.81-139,481,302.99-54,663,661.72

Finding the Fourth Proportional to 101,073,407.81, 139,481,302.99 and 54,663,661.72

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Solution

The fourth proportional to 101,073,407.81, 139,481,302.99 and 54,663,661.72 is: 75,435,853.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,073,407.81 : 139,481,302.99 = 54,663,661.72 : x
  2. Step 2: Convert to fraction form
    101,073,407.81/139,481,302.99 = 54,663,661.72/x
  3. Step 3: Cross multiply
    101,073,407.81x = 139,481,302.99 × 54,663,661.72
  4. Step 4: Simplify right side
    101,073,407.81x = 7,624,558,762,910,185
  5. Step 5: Solve for x
    x = 7,624,558,762,910,185/101,073,407.81
  6. Step 6: Final answer
    x = 75,435,853.29

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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.