Home / 64,512,898.80-96,769,348.20-52,419,663.60

Finding the Fourth Proportional to 64,512,898.80, 96,769,348.20 and 52,419,663.60

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Solution

The fourth proportional to 64,512,898.80, 96,769,348.20 and 52,419,663.60 is: 78,629,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,512,898.80 : 96,769,348.20 = 52,419,663.60 : x
  2. Step 2: Convert to fraction form
    64,512,898.80/96,769,348.20 = 52,419,663.60/x
  3. Step 3: Cross multiply
    64,512,898.80x = 96,769,348.20 × 52,419,663.60
  4. Step 4: Simplify right side
    64,512,898.80x = 5,072,616,679,435,266
  5. Step 5: Solve for x
    x = 5,072,616,679,435,266/64,512,898.80
  6. Step 6: Final answer
    x = 78,629,495.40

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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.