Home / 141,725,906.40-195,581,749.68-76,535,804.64

Finding the Fourth Proportional to 141,725,906.40, 195,581,749.68 and 76,535,804.64

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Solution

The fourth proportional to 141,725,906.40, 195,581,749.68 and 76,535,804.64 is: 105,619,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,725,906.40 : 195,581,749.68 = 76,535,804.64 : x
  2. Step 2: Convert to fraction form
    141,725,906.40/195,581,749.68 = 76,535,804.64/x
  3. Step 3: Cross multiply
    141,725,906.40x = 195,581,749.68 × 76,535,804.64
  4. Step 4: Simplify right side
    141,725,906.40x = 14,969,006,584,657,864
  5. Step 5: Solve for x
    x = 14,969,006,584,657,864/141,725,906.40
  6. Step 6: Final answer
    x = 105,619,409.78

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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.