Home / 104,459,366.92-144,001,996.26-72,999,745.24

Finding the Fourth Proportional to 104,459,366.92, 144,001,996.26 and 72,999,745.24

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Solution

The fourth proportional to 104,459,366.92, 144,001,996.26 and 72,999,745.24 is: 100,633,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,459,366.92 : 144,001,996.26 = 72,999,745.24 : x
  2. Step 2: Convert to fraction form
    104,459,366.92/144,001,996.26 = 72,999,745.24/x
  3. Step 3: Cross multiply
    104,459,366.92x = 144,001,996.26 × 72,999,745.24
  4. Step 4: Simplify right side
    104,459,366.92x = 10,512,109,041,031,432
  5. Step 5: Solve for x
    x = 10,512,109,041,031,432/104,459,366.92
  6. Step 6: Final answer
    x = 100,633,474.54

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1.5x scale

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.