Home / 162,164,946.30-243,288,882.91-47,149,488.62

Finding the Fourth Proportional to 162,164,946.30, 243,288,882.91 and 47,149,488.62

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Solution

The fourth proportional to 162,164,946.30, 243,288,882.91 and 47,149,488.62 is: 70,736,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,164,946.30 : 243,288,882.91 = 47,149,488.62 : x
  2. Step 2: Convert to fraction form
    162,164,946.30/243,288,882.91 = 47,149,488.62/x
  3. Step 3: Cross multiply
    162,164,946.30x = 243,288,882.91 × 47,149,488.62
  4. Step 4: Simplify right side
    162,164,946.30x = 11,470,946,416,137,556
  5. Step 5: Solve for x
    x = 11,470,946,416,137,556/162,164,946.30
  6. Step 6: Final answer
    x = 70,736,288.44

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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.