Home / 208,464,533.28-287,715,542.52-115,674,934.68

Finding the Fourth Proportional to 208,464,533.28, 287,715,542.52 and 115,674,934.68

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Solution

The fourth proportional to 208,464,533.28, 287,715,542.52 and 115,674,934.68 is: 159,650,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,464,533.28 : 287,715,542.52 = 115,674,934.68 : x
  2. Step 2: Convert to fraction form
    208,464,533.28/287,715,542.52 = 115,674,934.68/x
  3. Step 3: Cross multiply
    208,464,533.28x = 287,715,542.52 × 115,674,934.68
  4. Step 4: Simplify right side
    208,464,533.28x = 33,281,476,587,421,764
  5. Step 5: Solve for x
    x = 33,281,476,587,421,764/208,464,533.28
  6. Step 6: Final answer
    x = 159,650,546.13

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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.