Home / 123,622,609.50-185,429,337.75-49,878,281.70

Finding the Fourth Proportional to 123,622,609.50, 185,429,337.75 and 49,878,281.70

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Solution

The fourth proportional to 123,622,609.50, 185,429,337.75 and 49,878,281.70 is: 74,815,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,622,609.50 : 185,429,337.75 = 49,878,281.70 : x
  2. Step 2: Convert to fraction form
    123,622,609.50/185,429,337.75 = 49,878,281.70/x
  3. Step 3: Cross multiply
    123,622,609.50x = 185,429,337.75 × 49,878,281.70
  4. Step 4: Simplify right side
    123,622,609.50x = 9,248,896,743,738,944
  5. Step 5: Solve for x
    x = 9,248,896,743,738,944/123,622,609.50
  6. Step 6: Final answer
    x = 74,815,576.06

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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.