Home / 72,483,770.04-100,027,617.24-39,888,722.04

Finding the Fourth Proportional to 72,483,770.04, 100,027,617.24 and 39,888,722.04

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Solution

The fourth proportional to 72,483,770.04, 100,027,617.24 and 39,888,722.04 is: 55,046,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,483,770.04 : 100,027,617.24 = 39,888,722.04 : x
  2. Step 2: Convert to fraction form
    72,483,770.04/100,027,617.24 = 39,888,722.04/x
  3. Step 3: Cross multiply
    72,483,770.04x = 100,027,617.24 × 39,888,722.04
  4. Step 4: Simplify right side
    72,483,770.04x = 3,989,973,820,409,871.50
  5. Step 5: Solve for x
    x = 3,989,973,820,409,871.50/72,483,770.04
  6. Step 6: Final answer
    x = 55,046,444.44

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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.