Home / 112,267,489.80-168,401,234.70-106,031,915.40

Finding the Fourth Proportional to 112,267,489.80, 168,401,234.70 and 106,031,915.40

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Solution

The fourth proportional to 112,267,489.80, 168,401,234.70 and 106,031,915.40 is: 159,047,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,267,489.80 : 168,401,234.70 = 106,031,915.40 : x
  2. Step 2: Convert to fraction form
    112,267,489.80/168,401,234.70 = 106,031,915.40/x
  3. Step 3: Cross multiply
    112,267,489.80x = 168,401,234.70 × 106,031,915.40
  4. Step 4: Simplify right side
    112,267,489.80x = 17,855,905,470,965,944
  5. Step 5: Solve for x
    x = 17,855,905,470,965,944/112,267,489.80
  6. Step 6: Final answer
    x = 159,047,873.10

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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.