Home / 65,370,453.48-90,221,033.22-49,663,631.28

Finding the Fourth Proportional to 65,370,453.48, 90,221,033.22 and 49,663,631.28

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Solution

The fourth proportional to 65,370,453.48, 90,221,033.22 and 49,663,631.28 is: 68,543,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,370,453.48 : 90,221,033.22 = 49,663,631.28 : x
  2. Step 2: Convert to fraction form
    65,370,453.48/90,221,033.22 = 49,663,631.28/x
  3. Step 3: Cross multiply
    65,370,453.48x = 90,221,033.22 × 49,663,631.28
  4. Step 4: Simplify right side
    65,370,453.48x = 4,480,704,127,538,711
  5. Step 5: Solve for x
    x = 4,480,704,127,538,711/65,370,453.48
  6. Step 6: Final answer
    x = 68,543,262.12

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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.