Home / 185,674,903.70-278,512,355.55-121,104,822.20

Finding the Fourth Proportional to 185,674,903.70, 278,512,355.55 and 121,104,822.20

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Solution

The fourth proportional to 185,674,903.70, 278,512,355.55 and 121,104,822.20 is: 181,657,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,674,903.70 : 278,512,355.55 = 121,104,822.20 : x
  2. Step 2: Convert to fraction form
    185,674,903.70/278,512,355.55 = 121,104,822.20/x
  3. Step 3: Cross multiply
    185,674,903.70x = 278,512,355.55 × 121,104,822.20
  4. Step 4: Simplify right side
    185,674,903.70x = 33,729,189,299,385,936
  5. Step 5: Solve for x
    x = 33,729,189,299,385,936/185,674,903.70
  6. Step 6: Final answer
    x = 181,657,233.30

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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.