Home / 49,648,404.11-68,486,267.13-31,031,234.45

Finding the Fourth Proportional to 49,648,404.11, 68,486,267.13 and 31,031,234.45

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Solution

The fourth proportional to 49,648,404.11, 68,486,267.13 and 31,031,234.45 is: 42,805,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,648,404.11 : 68,486,267.13 = 31,031,234.45 : x
  2. Step 2: Convert to fraction form
    49,648,404.11/68,486,267.13 = 31,031,234.45/x
  3. Step 3: Cross multiply
    49,648,404.11x = 68,486,267.13 × 31,031,234.45
  4. Step 4: Simplify right side
    49,648,404.11x = 2,125,213,411,916,358.50
  5. Step 5: Solve for x
    x = 2,125,213,411,916,358.50/49,648,404.11
  6. Step 6: Final answer
    x = 42,805,271.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.