Home / 98,668,037.73-136,130,589.57-57,406,958.49

Finding the Fourth Proportional to 98,668,037.73, 136,130,589.57 and 57,406,958.49

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Solution

The fourth proportional to 98,668,037.73, 136,130,589.57 and 57,406,958.49 is: 79,203,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,668,037.73 : 136,130,589.57 = 57,406,958.49 : x
  2. Step 2: Convert to fraction form
    98,668,037.73/136,130,589.57 = 57,406,958.49/x
  3. Step 3: Cross multiply
    98,668,037.73x = 136,130,589.57 × 57,406,958.49
  4. Step 4: Simplify right side
    98,668,037.73x = 7,814,843,104,664,217
  5. Step 5: Solve for x
    x = 7,814,843,104,664,217/98,668,037.73
  6. Step 6: Final answer
    x = 79,203,390.32

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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.