Home / 193,438,830.80-290,158,246.20-64,066,408.40

Finding the Fourth Proportional to 193,438,830.80, 290,158,246.20 and 64,066,408.40

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Solution

The fourth proportional to 193,438,830.80, 290,158,246.20 and 64,066,408.40 is: 96,099,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,438,830.80 : 290,158,246.20 = 64,066,408.40 : x
  2. Step 2: Convert to fraction form
    193,438,830.80/290,158,246.20 = 64,066,408.40/x
  3. Step 3: Cross multiply
    193,438,830.80x = 290,158,246.20 × 64,066,408.40
  4. Step 4: Simplify right side
    193,438,830.80x = 18,589,396,701,676,948
  5. Step 5: Solve for x
    x = 18,589,396,701,676,948/193,438,830.80
  6. Step 6: Final answer
    x = 96,099,612.60

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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.