Home / 197,407,893,379.60-272,422,892,863.80-112,921,528,963.56

Finding the Fourth Proportional to 197,407,893,379.60, 272,422,892,863.80 and 112,921,528,963.56

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Solution

The fourth proportional to 197,407,893,379.60, 272,422,892,863.80 and 112,921,528,963.56 is: 155,831,709,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,407,893,379.60 : 272,422,892,863.80 = 112,921,528,963.56 : x
  2. Step 2: Convert to fraction form
    197,407,893,379.60/272,422,892,863.80 = 112,921,528,963.56/x
  3. Step 3: Cross multiply
    197,407,893,379.60x = 272,422,892,863.80 × 112,921,528,963.56
  4. Step 4: Simplify right side
    197,407,893,379.60x = 30,762,409,586,856,390,819,840
  5. Step 5: Solve for x
    x = 30,762,409,586,856,390,819,840/197,407,893,379.60
  6. Step 6: Final answer
    x = 155,831,709,969.69

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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.