Home / 149,328,043.40-223,992,065.10-47,102,414.60

Finding the Fourth Proportional to 149,328,043.40, 223,992,065.10 and 47,102,414.60

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Solution

The fourth proportional to 149,328,043.40, 223,992,065.10 and 47,102,414.60 is: 70,653,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,328,043.40 : 223,992,065.10 = 47,102,414.60 : x
  2. Step 2: Convert to fraction form
    149,328,043.40/223,992,065.10 = 47,102,414.60/x
  3. Step 3: Cross multiply
    149,328,043.40x = 223,992,065.10 × 47,102,414.60
  4. Step 4: Simplify right side
    149,328,043.40x = 10,550,567,117,450,390
  5. Step 5: Solve for x
    x = 10,550,567,117,450,390/149,328,043.40
  6. Step 6: Final answer
    x = 70,653,621.90

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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.