Home / 98,720,908,774.72-148,034,682,934.66-38,243,512,283.74

Finding the Fourth Proportional to 98,720,908,774.72, 148,034,682,934.66 and 38,243,512,283.74

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Solution

The fourth proportional to 98,720,908,774.72, 148,034,682,934.66 and 38,243,512,283.74 is: 57,347,184,963.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,720,908,774.72 : 148,034,682,934.66 = 38,243,512,283.74 : x
  2. Step 2: Convert to fraction form
    98,720,908,774.72/148,034,682,934.66 = 38,243,512,283.74/x
  3. Step 3: Cross multiply
    98,720,908,774.72x = 148,034,682,934.66 × 38,243,512,283.74
  4. Step 4: Simplify right side
    98,720,908,774.72x = 5,661,366,215,231,225,724,928
  5. Step 5: Solve for x
    x = 5,661,366,215,231,225,724,928/98,720,908,774.72
  6. Step 6: Final answer
    x = 57,347,184,963.12

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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.