Home / 101,583,972.62-140,185,111.72-55,174,558.69

Finding the Fourth Proportional to 101,583,972.62, 140,185,111.72 and 55,174,558.69

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Solution

The fourth proportional to 101,583,972.62, 140,185,111.72 and 55,174,558.69 is: 76,140,472.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,583,972.62 : 140,185,111.72 = 55,174,558.69 : x
  2. Step 2: Convert to fraction form
    101,583,972.62/140,185,111.72 = 55,174,558.69/x
  3. Step 3: Cross multiply
    101,583,972.62x = 140,185,111.72 × 55,174,558.69
  4. Step 4: Simplify right side
    101,583,972.62x = 7,734,651,674,045,328
  5. Step 5: Solve for x
    x = 7,734,651,674,045,328/101,583,972.62
  6. Step 6: Final answer
    x = 76,140,472.50

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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.