Home / 64,383,428.60-96,575,142.90-21,259,287.80

Finding the Fourth Proportional to 64,383,428.60, 96,575,142.90 and 21,259,287.80

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Solution

The fourth proportional to 64,383,428.60, 96,575,142.90 and 21,259,287.80 is: 31,888,931.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,383,428.60 : 96,575,142.90 = 21,259,287.80 : x
  2. Step 2: Convert to fraction form
    64,383,428.60/96,575,142.90 = 21,259,287.80/x
  3. Step 3: Cross multiply
    64,383,428.60x = 96,575,142.90 × 21,259,287.80
  4. Step 4: Simplify right side
    64,383,428.60x = 2,053,118,757,237,226.75
  5. Step 5: Solve for x
    x = 2,053,118,757,237,226.75/64,383,428.60
  6. Step 6: Final answer
    x = 31,888,931.70

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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.