Home / 98,720,908,765.53-148,034,682,920.89-38,243,512,274.55

Finding the Fourth Proportional to 98,720,908,765.53, 148,034,682,920.89 and 38,243,512,274.55

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Solution

The fourth proportional to 98,720,908,765.53, 148,034,682,920.89 and 38,243,512,274.55 is: 57,347,184,949.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,720,908,765.53 : 148,034,682,920.89 = 38,243,512,274.55 : x
  2. Step 2: Convert to fraction form
    98,720,908,765.53/148,034,682,920.89 = 38,243,512,274.55/x
  3. Step 3: Cross multiply
    98,720,908,765.53x = 148,034,682,920.89 × 38,243,512,274.55
  4. Step 4: Simplify right side
    98,720,908,765.53x = 5,661,366,213,343,730,204,672
  5. Step 5: Solve for x
    x = 5,661,366,213,343,730,204,672/98,720,908,765.53
  6. Step 6: Final answer
    x = 57,347,184,949.34

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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.