Home / 64,152,052.20-96,228,078.30-21,010,852.80

Finding the Fourth Proportional to 64,152,052.20, 96,228,078.30 and 21,010,852.80

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Solution

The fourth proportional to 64,152,052.20, 96,228,078.30 and 21,010,852.80 is: 31,516,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,052.20 : 96,228,078.30 = 21,010,852.80 : x
  2. Step 2: Convert to fraction form
    64,152,052.20/96,228,078.30 = 21,010,852.80/x
  3. Step 3: Cross multiply
    64,152,052.20x = 96,228,078.30 × 21,010,852.80
  4. Step 4: Simplify right side
    64,152,052.20x = 2,021,833,988,388,174.25
  5. Step 5: Solve for x
    x = 2,021,833,988,388,174.25/64,152,052.20
  6. Step 6: Final answer
    x = 31,516,279.20

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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.