Home / 64,638,102.70-96,957,154.05-21,508,713.10

Finding the Fourth Proportional to 64,638,102.70, 96,957,154.05 and 21,508,713.10

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Solution

The fourth proportional to 64,638,102.70, 96,957,154.05 and 21,508,713.10 is: 32,263,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,638,102.70 : 96,957,154.05 = 21,508,713.10 : x
  2. Step 2: Convert to fraction form
    64,638,102.70/96,957,154.05 = 21,508,713.10/x
  3. Step 3: Cross multiply
    64,638,102.70x = 96,957,154.05 × 21,508,713.10
  4. Step 4: Simplify right side
    64,638,102.70x = 2,085,423,609,453,953.25
  5. Step 5: Solve for x
    x = 2,085,423,609,453,953.25/64,638,102.70
  6. Step 6: Final answer
    x = 32,263,069.65

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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.