Home / 65,342,667.69-90,169,458.53-35,968,262.87

Finding the Fourth Proportional to 65,342,667.69, 90,169,458.53 and 35,968,262.87

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Solution

The fourth proportional to 65,342,667.69, 90,169,458.53 and 35,968,262.87 is: 49,634,318.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,342,667.69 : 90,169,458.53 = 35,968,262.87 : x
  2. Step 2: Convert to fraction form
    65,342,667.69/90,169,458.53 = 35,968,262.87/x
  3. Step 3: Cross multiply
    65,342,667.69x = 90,169,458.53 × 35,968,262.87
  4. Step 4: Simplify right side
    65,342,667.69x = 3,243,238,787,298,186.50
  5. Step 5: Solve for x
    x = 3,243,238,787,298,186.50/65,342,667.69
  6. Step 6: Final answer
    x = 49,634,318.62

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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.