Home / 437,290,175.60-656,187,205.80-164,856,460.40

Finding the Fourth Proportional to 437,290,175.60, 656,187,205.80 and 164,856,460.40

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Solution

The fourth proportional to 437,290,175.60, 656,187,205.80 and 164,856,460.40 is: 247,379,671.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,290,175.60 : 656,187,205.80 = 164,856,460.40 : x
  2. Step 2: Convert to fraction form
    437,290,175.60/656,187,205.80 = 164,856,460.40/x
  3. Step 3: Cross multiply
    437,290,175.60x = 656,187,205.80 × 164,856,460.40
  4. Step 4: Simplify right side
    437,290,175.60x = 108,176,700,107,954,352
  5. Step 5: Solve for x
    x = 108,176,700,107,954,352/437,290,175.60
  6. Step 6: Final answer
    x = 247,379,671.77

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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.