Home / 64,638,104.70-96,957,157.05-21,508,715.10

Finding the Fourth Proportional to 64,638,104.70, 96,957,157.05 and 21,508,715.10

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Solution

The fourth proportional to 64,638,104.70, 96,957,157.05 and 21,508,715.10 is: 32,263,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,638,104.70 : 96,957,157.05 = 21,508,715.10 : x
  2. Step 2: Convert to fraction form
    64,638,104.70/96,957,157.05 = 21,508,715.10/x
  3. Step 3: Cross multiply
    64,638,104.70x = 96,957,157.05 × 21,508,715.10
  4. Step 4: Simplify right side
    64,638,104.70x = 2,085,423,867,894,406.50
  5. Step 5: Solve for x
    x = 2,085,423,867,894,406.50/64,638,104.70
  6. Step 6: Final answer
    x = 32,263,072.65

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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.