Home / 147,600,188.40-203,686,919.02-80,619,132.59

Finding the Fourth Proportional to 147,600,188.40, 203,686,919.02 and 80,619,132.59

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Solution

The fourth proportional to 147,600,188.40, 203,686,919.02 and 80,619,132.59 is: 111,253,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,600,188.40 : 203,686,919.02 = 80,619,132.59 : x
  2. Step 2: Convert to fraction form
    147,600,188.40/203,686,919.02 = 80,619,132.59/x
  3. Step 3: Cross multiply
    147,600,188.40x = 203,686,919.02 × 80,619,132.59
  4. Step 4: Simplify right side
    147,600,188.40x = 16,421,062,731,321,974
  5. Step 5: Solve for x
    x = 16,421,062,731,321,974/147,600,188.40
  6. Step 6: Final answer
    x = 111,253,670.54

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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.