Home / 89,473,656.89-123,459,242.53-50,313,098.81

Finding the Fourth Proportional to 89,473,656.89, 123,459,242.53 and 50,313,098.81

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Solution

The fourth proportional to 89,473,656.89, 123,459,242.53 and 50,313,098.81 is: 69,423,976.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,473,656.89 : 123,459,242.53 = 50,313,098.81 : x
  2. Step 2: Convert to fraction form
    89,473,656.89/123,459,242.53 = 50,313,098.81/x
  3. Step 3: Cross multiply
    89,473,656.89x = 123,459,242.53 × 50,313,098.81
  4. Step 4: Simplify right side
    89,473,656.89x = 6,211,617,068,419,645
  5. Step 5: Solve for x
    x = 6,211,617,068,419,645/89,473,656.89
  6. Step 6: Final answer
    x = 69,423,976.67

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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.