Home / 221,424,373.80-332,136,560.70-118,112,243.40

Finding the Fourth Proportional to 221,424,373.80, 332,136,560.70 and 118,112,243.40

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Solution

The fourth proportional to 221,424,373.80, 332,136,560.70 and 118,112,243.40 is: 177,168,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,424,373.80 : 332,136,560.70 = 118,112,243.40 : x
  2. Step 2: Convert to fraction form
    221,424,373.80/332,136,560.70 = 118,112,243.40/x
  3. Step 3: Cross multiply
    221,424,373.80x = 332,136,560.70 × 118,112,243.40
  4. Step 4: Simplify right side
    221,424,373.80x = 39,229,394,299,437,272
  5. Step 5: Solve for x
    x = 39,229,394,299,437,272/221,424,373.80
  6. Step 6: Final answer
    x = 177,168,365.10

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1.5x scale

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.