Home / 221,478,047.20-332,217,070.80-106,434,848.80

Finding the Fourth Proportional to 221,478,047.20, 332,217,070.80 and 106,434,848.80

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Solution

The fourth proportional to 221,478,047.20, 332,217,070.80 and 106,434,848.80 is: 159,652,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,478,047.20 : 332,217,070.80 = 106,434,848.80 : x
  2. Step 2: Convert to fraction form
    221,478,047.20/332,217,070.80 = 106,434,848.80/x
  3. Step 3: Cross multiply
    221,478,047.20x = 332,217,070.80 × 106,434,848.80
  4. Step 4: Simplify right side
    221,478,047.20x = 35,359,473,699,376,896
  5. Step 5: Solve for x
    x = 35,359,473,699,376,896/221,478,047.20
  6. Step 6: Final answer
    x = 159,652,273.20

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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.