Home / 228,931,157.39-343,398,861.72-65,168,908.22

Finding the Fourth Proportional to 228,931,157.39, 343,398,861.72 and 65,168,908.22

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Solution

The fourth proportional to 228,931,157.39, 343,398,861.72 and 65,168,908.22 is: 97,753,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,931,157.39 : 343,398,861.72 = 65,168,908.22 : x
  2. Step 2: Convert to fraction form
    228,931,157.39/343,398,861.72 = 65,168,908.22/x
  3. Step 3: Cross multiply
    228,931,157.39x = 343,398,861.72 × 65,168,908.22
  4. Step 4: Simplify right side
    228,931,157.39x = 22,378,928,903,141,648
  5. Step 5: Solve for x
    x = 22,378,928,903,141,648/228,931,157.39
  6. Step 6: Final answer
    x = 97,753,967.43

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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.