Home / 164,754,608.40-247,131,912.60-126,490,856.40

Finding the Fourth Proportional to 164,754,608.40, 247,131,912.60 and 126,490,856.40

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Solution

The fourth proportional to 164,754,608.40, 247,131,912.60 and 126,490,856.40 is: 189,736,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,754,608.40 : 247,131,912.60 = 126,490,856.40 : x
  2. Step 2: Convert to fraction form
    164,754,608.40/247,131,912.60 = 126,490,856.40/x
  3. Step 3: Cross multiply
    164,754,608.40x = 247,131,912.60 × 126,490,856.40
  4. Step 4: Simplify right side
    164,754,608.40x = 31,259,927,268,543,952
  5. Step 5: Solve for x
    x = 31,259,927,268,543,952/164,754,608.40
  6. Step 6: Final answer
    x = 189,736,284.60

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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.