Home / 123,290,653.56-170,143,851.15-70,366,299.68

Finding the Fourth Proportional to 123,290,653.56, 170,143,851.15 and 70,366,299.68

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Solution

The fourth proportional to 123,290,653.56, 170,143,851.15 and 70,366,299.68 is: 97,107,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,290,653.56 : 170,143,851.15 = 70,366,299.68 : x
  2. Step 2: Convert to fraction form
    123,290,653.56/170,143,851.15 = 70,366,299.68/x
  3. Step 3: Cross multiply
    123,290,653.56x = 170,143,851.15 × 70,366,299.68
  4. Step 4: Simplify right side
    123,290,653.56x = 11,972,393,217,879,494
  5. Step 5: Solve for x
    x = 11,972,393,217,879,494/123,290,653.56
  6. Step 6: Final answer
    x = 97,107,062.64

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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.