Home / 98,720,908,770.28-148,034,682,928.02-38,243,512,279.30

Finding the Fourth Proportional to 98,720,908,770.28, 148,034,682,928.02 and 38,243,512,279.30

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Solution

The fourth proportional to 98,720,908,770.28, 148,034,682,928.02 and 38,243,512,279.30 is: 57,347,184,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,720,908,770.28 : 148,034,682,928.02 = 38,243,512,279.30 : x
  2. Step 2: Convert to fraction form
    98,720,908,770.28/148,034,682,928.02 = 38,243,512,279.30/x
  3. Step 3: Cross multiply
    98,720,908,770.28x = 148,034,682,928.02 × 38,243,512,279.30
  4. Step 4: Simplify right side
    98,720,908,770.28x = 5,661,366,214,320,015,278,080
  5. Step 5: Solve for x
    x = 5,661,366,214,320,015,278,080/98,720,908,770.28
  6. Step 6: Final answer
    x = 57,347,184,956.47

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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.