Home / 105,489,863.60-158,234,795.40-103,600,295.60

Finding the Fourth Proportional to 105,489,863.60, 158,234,795.40 and 103,600,295.60

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Solution

The fourth proportional to 105,489,863.60, 158,234,795.40 and 103,600,295.60 is: 155,400,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,489,863.60 : 158,234,795.40 = 103,600,295.60 : x
  2. Step 2: Convert to fraction form
    105,489,863.60/158,234,795.40 = 103,600,295.60/x
  3. Step 3: Cross multiply
    105,489,863.60x = 158,234,795.40 × 103,600,295.60
  4. Step 4: Simplify right side
    105,489,863.60x = 16,393,171,577,645,520
  5. Step 5: Solve for x
    x = 16,393,171,577,645,520/105,489,863.60
  6. Step 6: Final answer
    x = 155,400,443.40

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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.