Home / 43,467,085.60-65,200,628.40-42,900,215.20

Finding the Fourth Proportional to 43,467,085.60, 65,200,628.40 and 42,900,215.20

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Solution

The fourth proportional to 43,467,085.60, 65,200,628.40 and 42,900,215.20 is: 64,350,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,467,085.60 : 65,200,628.40 = 42,900,215.20 : x
  2. Step 2: Convert to fraction form
    43,467,085.60/65,200,628.40 = 42,900,215.20/x
  3. Step 3: Cross multiply
    43,467,085.60x = 65,200,628.40 × 42,900,215.20
  4. Step 4: Simplify right side
    43,467,085.60x = 2,797,120,989,535,232
  5. Step 5: Solve for x
    x = 2,797,120,989,535,232/43,467,085.60
  6. Step 6: Final answer
    x = 64,350,322.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.