Home / 161,889,647.04-223,420,582.68-103,178,669.76

Finding the Fourth Proportional to 161,889,647.04, 223,420,582.68 and 103,178,669.76

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Solution

The fourth proportional to 161,889,647.04, 223,420,582.68 and 103,178,669.76 is: 142,394,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,889,647.04 : 223,420,582.68 = 103,178,669.76 : x
  2. Step 2: Convert to fraction form
    161,889,647.04/223,420,582.68 = 103,178,669.76/x
  3. Step 3: Cross multiply
    161,889,647.04x = 223,420,582.68 × 103,178,669.76
  4. Step 4: Simplify right side
    161,889,647.04x = 23,052,238,517,926,496
  5. Step 5: Solve for x
    x = 23,052,238,517,926,496/161,889,647.04
  6. Step 6: Final answer
    x = 142,394,766.68

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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.