Home / 147,965,897.70-221,948,846.55-71,296,676.10

Finding the Fourth Proportional to 147,965,897.70, 221,948,846.55 and 71,296,676.10

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Solution

The fourth proportional to 147,965,897.70, 221,948,846.55 and 71,296,676.10 is: 106,945,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,965,897.70 : 221,948,846.55 = 71,296,676.10 : x
  2. Step 2: Convert to fraction form
    147,965,897.70/221,948,846.55 = 71,296,676.10/x
  3. Step 3: Cross multiply
    147,965,897.70x = 221,948,846.55 × 71,296,676.10
  4. Step 4: Simplify right side
    147,965,897.70x = 15,824,215,023,243,952
  5. Step 5: Solve for x
    x = 15,824,215,023,243,952/147,965,897.70
  6. Step 6: Final answer
    x = 106,945,014.15

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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.