Home / 197,407,893,372.57-272,422,892,854.12-112,921,528,956.56

Finding the Fourth Proportional to 197,407,893,372.57, 272,422,892,854.12 and 112,921,528,956.56

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Solution

The fourth proportional to 197,407,893,372.57, 272,422,892,854.12 and 112,921,528,956.56 is: 155,831,709,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,407,893,372.57 : 272,422,892,854.12 = 112,921,528,956.56 : x
  2. Step 2: Convert to fraction form
    197,407,893,372.57/272,422,892,854.12 = 112,921,528,956.56/x
  3. Step 3: Cross multiply
    197,407,893,372.57x = 272,422,892,854.12 × 112,921,528,956.56
  4. Step 4: Simplify right side
    197,407,893,372.57x = 30,762,409,583,856,351,969,280
  5. Step 5: Solve for x
    x = 30,762,409,583,856,351,969,280/197,407,893,372.57
  6. Step 6: Final answer
    x = 155,831,709,960.04

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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.