Home / 64,152,043.20-96,228,064.80-21,010,843.80

Finding the Fourth Proportional to 64,152,043.20, 96,228,064.80 and 21,010,843.80

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Solution

The fourth proportional to 64,152,043.20, 96,228,064.80 and 21,010,843.80 is: 31,516,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,043.20 : 96,228,064.80 = 21,010,843.80 : x
  2. Step 2: Convert to fraction form
    64,152,043.20/96,228,064.80 = 21,010,843.80/x
  3. Step 3: Cross multiply
    64,152,043.20x = 96,228,064.80 × 21,010,843.80
  4. Step 4: Simplify right side
    64,152,043.20x = 2,021,832,838,689,078.25
  5. Step 5: Solve for x
    x = 2,021,832,838,689,078.25/64,152,043.20
  6. Step 6: Final answer
    x = 31,516,265.70

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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.