Home / 123,786,199.29-170,821,342.62-70,861,152.60

Finding the Fourth Proportional to 123,786,199.29, 170,821,342.62 and 70,861,152.60

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Solution

The fourth proportional to 123,786,199.29, 170,821,342.62 and 70,861,152.60 is: 97,786,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,786,199.29 : 170,821,342.62 = 70,861,152.60 : x
  2. Step 2: Convert to fraction form
    123,786,199.29/170,821,342.62 = 70,861,152.60/x
  3. Step 3: Cross multiply
    123,786,199.29x = 170,821,342.62 × 70,861,152.60
  4. Step 4: Simplify right side
    123,786,199.29x = 12,104,597,226,732,704
  5. Step 5: Solve for x
    x = 12,104,597,226,732,704/123,786,199.29
  6. Step 6: Final answer
    x = 97,786,322.68

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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.