Home / 147,853,852.20-221,780,778.30-65,972,572.20

Finding the Fourth Proportional to 147,853,852.20, 221,780,778.30 and 65,972,572.20

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Solution

The fourth proportional to 147,853,852.20, 221,780,778.30 and 65,972,572.20 is: 98,958,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,853,852.20 : 221,780,778.30 = 65,972,572.20 : x
  2. Step 2: Convert to fraction form
    147,853,852.20/221,780,778.30 = 65,972,572.20/x
  3. Step 3: Cross multiply
    147,853,852.20x = 221,780,778.30 × 65,972,572.20
  4. Step 4: Simplify right side
    147,853,852.20x = 14,631,448,408,968,944
  5. Step 5: Solve for x
    x = 14,631,448,408,968,944/147,853,852.20
  6. Step 6: Final answer
    x = 98,958,858.30

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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.