Home / 169,205,743.87-253,809,491.65-77,025,016.26

Finding the Fourth Proportional to 169,205,743.87, 253,809,491.65 and 77,025,016.26

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Solution

The fourth proportional to 169,205,743.87, 253,809,491.65 and 77,025,016.26 is: 115,537,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,205,743.87 : 253,809,491.65 = 77,025,016.26 : x
  2. Step 2: Convert to fraction form
    169,205,743.87/253,809,491.65 = 77,025,016.26/x
  3. Step 3: Cross multiply
    169,205,743.87x = 253,809,491.65 × 77,025,016.26
  4. Step 4: Simplify right side
    169,205,743.87x = 19,549,680,221,091,024
  5. Step 5: Solve for x
    x = 19,549,680,221,091,024/169,205,743.87
  6. Step 6: Final answer
    x = 115,537,923.09

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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.