Home / 163,819,922.40-245,729,883.60-147,380,680.80

Finding the Fourth Proportional to 163,819,922.40, 245,729,883.60 and 147,380,680.80

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Solution

The fourth proportional to 163,819,922.40, 245,729,883.60 and 147,380,680.80 is: 221,071,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,819,922.40 : 245,729,883.60 = 147,380,680.80 : x
  2. Step 2: Convert to fraction form
    163,819,922.40/245,729,883.60 = 147,380,680.80/x
  3. Step 3: Cross multiply
    163,819,922.40x = 245,729,883.60 × 147,380,680.80
  4. Step 4: Simplify right side
    163,819,922.40x = 36,215,837,537,872,760
  5. Step 5: Solve for x
    x = 36,215,837,537,872,760/163,819,922.40
  6. Step 6: Final answer
    x = 221,071,021.20

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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.