Home / 75,042,053.38-103,622,663.52-47,211,152.50

Finding the Fourth Proportional to 75,042,053.38, 103,622,663.52 and 47,211,152.50

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Solution

The fourth proportional to 75,042,053.38, 103,622,663.52 and 47,211,152.50 is: 65,192,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,042,053.38 : 103,622,663.52 = 47,211,152.50 : x
  2. Step 2: Convert to fraction form
    75,042,053.38/103,622,663.52 = 47,211,152.50/x
  3. Step 3: Cross multiply
    75,042,053.38x = 103,622,663.52 × 47,211,152.50
  4. Step 4: Simplify right side
    75,042,053.38x = 4,892,145,369,898,907
  5. Step 5: Solve for x
    x = 4,892,145,369,898,907/75,042,053.38
  6. Step 6: Final answer
    x = 65,192,050.98

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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.