Home / 123,768,667.92-170,799,762.81-67,252,919.22

Finding the Fourth Proportional to 123,768,667.92, 170,799,762.81 and 67,252,919.22

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Solution

The fourth proportional to 123,768,667.92, 170,799,762.81 and 67,252,919.22 is: 92,808,485.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,768,667.92 : 170,799,762.81 = 67,252,919.22 : x
  2. Step 2: Convert to fraction form
    123,768,667.92/170,799,762.81 = 67,252,919.22/x
  3. Step 3: Cross multiply
    123,768,667.92x = 170,799,762.81 × 67,252,919.22
  4. Step 4: Simplify right side
    123,768,667.92x = 11,486,782,651,056,090
  5. Step 5: Solve for x
    x = 11,486,782,651,056,090/123,768,667.92
  6. Step 6: Final answer
    x = 92,808,485.73

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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.