Home / 197,407,893,371.07-272,422,892,852.05-112,921,528,955.06

Finding the Fourth Proportional to 197,407,893,371.07, 272,422,892,852.05 and 112,921,528,955.06

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Solution

The fourth proportional to 197,407,893,371.07, 272,422,892,852.05 and 112,921,528,955.06 is: 155,831,709,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,407,893,371.07 : 272,422,892,852.05 = 112,921,528,955.06 : x
  2. Step 2: Convert to fraction form
    197,407,893,371.07/272,422,892,852.05 = 112,921,528,955.06/x
  3. Step 3: Cross multiply
    197,407,893,371.07x = 272,422,892,852.05 × 112,921,528,955.06
  4. Step 4: Simplify right side
    197,407,893,371.07x = 30,762,409,583,213,969,145,856
  5. Step 5: Solve for x
    x = 30,762,409,583,213,969,145,856/197,407,893,371.07
  6. Step 6: Final answer
    x = 155,831,709,957.97

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1.5x scale

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.