Home / 64,517,043.20-96,775,564.80-21,966,771.20

Finding the Fourth Proportional to 64,517,043.20, 96,775,564.80 and 21,966,771.20

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Solution

The fourth proportional to 64,517,043.20, 96,775,564.80 and 21,966,771.20 is: 32,950,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,517,043.20 : 96,775,564.80 = 21,966,771.20 : x
  2. Step 2: Convert to fraction form
    64,517,043.20/96,775,564.80 = 21,966,771.20/x
  3. Step 3: Cross multiply
    64,517,043.20x = 96,775,564.80 × 21,966,771.20
  4. Step 4: Simplify right side
    64,517,043.20x = 2,125,846,689,712,373.50
  5. Step 5: Solve for x
    x = 2,125,846,689,712,373.50/64,517,043.20
  6. Step 6: Final answer
    x = 32,950,156.80

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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.