Home / 199,202,905.60-298,860,345.60-96,970,278.40

Finding the Fourth Proportional to 199,202,905.60, 298,860,345.60 and 96,970,278.40

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Solution

The fourth proportional to 199,202,905.60, 298,860,345.60 and 96,970,278.40 is: 145,482,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,202,905.60 : 298,860,345.60 = 96,970,278.40 : x
  2. Step 2: Convert to fraction form
    199,202,905.60/298,860,345.60 = 96,970,278.40/x
  3. Step 3: Cross multiply
    199,202,905.60x = 298,860,345.60 × 96,970,278.40
  4. Step 4: Simplify right side
    199,202,905.60x = 28,980,570,915,552,220
  5. Step 5: Solve for x
    x = 28,980,570,915,552,220/199,202,905.60
  6. Step 6: Final answer
    x = 145,482,671.69

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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.