Home / 187,681,163.06-281,521,181.41-47,621,349.16

Finding the Fourth Proportional to 187,681,163.06, 281,521,181.41 and 47,621,349.16

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Solution

The fourth proportional to 187,681,163.06, 281,521,181.41 and 47,621,349.16 is: 71,431,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,681,163.06 : 281,521,181.41 = 47,621,349.16 : x
  2. Step 2: Convert to fraction form
    187,681,163.06/281,521,181.41 = 47,621,349.16/x
  3. Step 3: Cross multiply
    187,681,163.06x = 281,521,181.41 × 47,621,349.16
  4. Step 4: Simplify right side
    187,681,163.06x = 13,406,418,475,861,312
  5. Step 5: Solve for x
    x = 13,406,418,475,861,312/187,681,163.06
  6. Step 6: Final answer
    x = 71,431,880.84

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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.