Home / 75,042,051.38-103,622,660.76-47,211,150.50

Finding the Fourth Proportional to 75,042,051.38, 103,622,660.76 and 47,211,150.50

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Solution

The fourth proportional to 75,042,051.38, 103,622,660.76 and 47,211,150.50 is: 65,192,048.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,042,051.38 : 103,622,660.76 = 47,211,150.50 : x
  2. Step 2: Convert to fraction form
    75,042,051.38/103,622,660.76 = 47,211,150.50/x
  3. Step 3: Cross multiply
    75,042,051.38x = 103,622,660.76 × 47,211,150.50
  4. Step 4: Simplify right side
    75,042,051.38x = 4,892,145,032,350,805
  5. Step 5: Solve for x
    x = 4,892,145,032,350,805/75,042,051.38
  6. Step 6: Final answer
    x = 65,192,048.22

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1.5x scale

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.