Home / 161,581,405.16-242,372,142.30-40,412,870.12

Finding the Fourth Proportional to 161,581,405.16, 242,372,142.30 and 40,412,870.12

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Solution

The fourth proportional to 161,581,405.16, 242,372,142.30 and 40,412,870.12 is: 60,619,313.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,581,405.16 : 242,372,142.30 = 40,412,870.12 : x
  2. Step 2: Convert to fraction form
    161,581,405.16/242,372,142.30 = 40,412,870.12/x
  3. Step 3: Cross multiply
    161,581,405.16x = 242,372,142.30 × 40,412,870.12
  4. Step 4: Simplify right side
    161,581,405.16x = 9,794,953,907,476,058
  5. Step 5: Solve for x
    x = 9,794,953,907,476,058/161,581,405.16
  6. Step 6: Final answer
    x = 60,619,313.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.