Home / 189,215,999.40-283,823,999.10-52,901,164.20

Finding the Fourth Proportional to 189,215,999.40, 283,823,999.10 and 52,901,164.20

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Solution

The fourth proportional to 189,215,999.40, 283,823,999.10 and 52,901,164.20 is: 79,351,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,215,999.40 : 283,823,999.10 = 52,901,164.20 : x
  2. Step 2: Convert to fraction form
    189,215,999.40/283,823,999.10 = 52,901,164.20/x
  3. Step 3: Cross multiply
    189,215,999.40x = 283,823,999.10 × 52,901,164.20
  4. Step 4: Simplify right side
    189,215,999.40x = 15,014,619,980,289,754
  5. Step 5: Solve for x
    x = 15,014,619,980,289,754/189,215,999.40
  6. Step 6: Final answer
    x = 79,351,746.30

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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.