Home / 65,342,658.35-90,169,445.62-35,968,253.53

Finding the Fourth Proportional to 65,342,658.35, 90,169,445.62 and 35,968,253.53

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Solution

The fourth proportional to 65,342,658.35, 90,169,445.62 and 35,968,253.53 is: 49,634,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,342,658.35 : 90,169,445.62 = 35,968,253.53 : x
  2. Step 2: Convert to fraction form
    65,342,658.35/90,169,445.62 = 35,968,253.53/x
  3. Step 3: Cross multiply
    65,342,658.35x = 90,169,445.62 × 35,968,253.53
  4. Step 4: Simplify right side
    65,342,658.35x = 3,243,237,480,391,119.50
  5. Step 5: Solve for x
    x = 3,243,237,480,391,119.50/65,342,658.35
  6. Step 6: Final answer
    x = 49,634,305.71

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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.