Home / 221,478,046.70-332,217,070.05-106,434,848.30

Finding the Fourth Proportional to 221,478,046.70, 332,217,070.05 and 106,434,848.30

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Solution

The fourth proportional to 221,478,046.70, 332,217,070.05 and 106,434,848.30 is: 159,652,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,478,046.70 : 332,217,070.05 = 106,434,848.30 : x
  2. Step 2: Convert to fraction form
    221,478,046.70/332,217,070.05 = 106,434,848.30/x
  3. Step 3: Cross multiply
    221,478,046.70x = 332,217,070.05 × 106,434,848.30
  4. Step 4: Simplify right side
    221,478,046.70x = 35,359,473,453,442,224
  5. Step 5: Solve for x
    x = 35,359,473,453,442,224/221,478,046.70
  6. Step 6: Final answer
    x = 159,652,272.45

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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.