Home / 208,476,321.53-287,577,794.68-130,023,671.90

Finding the Fourth Proportional to 208,476,321.53, 287,577,794.68 and 130,023,671.90

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Solution

The fourth proportional to 208,476,321.53, 287,577,794.68 and 130,023,671.90 is: 179,358,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,476,321.53 : 287,577,794.68 = 130,023,671.90 : x
  2. Step 2: Convert to fraction form
    208,476,321.53/287,577,794.68 = 130,023,671.90/x
  3. Step 3: Cross multiply
    208,476,321.53x = 287,577,794.68 × 130,023,671.90
  4. Step 4: Simplify right side
    208,476,321.53x = 37,391,920,819,434,936
  5. Step 5: Solve for x
    x = 37,391,920,819,434,936/208,476,321.53
  6. Step 6: Final answer
    x = 179,358,118.69

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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.