Home / 76,031,996.80-114,047,995.20-49,136,022.40

Finding the Fourth Proportional to 76,031,996.80, 114,047,995.20 and 49,136,022.40

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Solution

The fourth proportional to 76,031,996.80, 114,047,995.20 and 49,136,022.40 is: 73,704,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,031,996.80 : 114,047,995.20 = 49,136,022.40 : x
  2. Step 2: Convert to fraction form
    76,031,996.80/114,047,995.20 = 49,136,022.40/x
  3. Step 3: Cross multiply
    76,031,996.80x = 114,047,995.20 × 49,136,022.40
  4. Step 4: Simplify right side
    76,031,996.80x = 5,603,864,846,822,292
  5. Step 5: Solve for x
    x = 5,603,864,846,822,292/76,031,996.80
  6. Step 6: Final answer
    x = 73,704,033.60

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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.