Home / 64,161,796.30-96,266,314.05-21,032,406.70

Finding the Fourth Proportional to 64,161,796.30, 96,266,314.05 and 21,032,406.70

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Solution

The fourth proportional to 64,161,796.30, 96,266,314.05 and 21,032,406.70 is: 31,556,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,161,796.30 : 96,266,314.05 = 21,032,406.70 : x
  2. Step 2: Convert to fraction form
    64,161,796.30/96,266,314.05 = 21,032,406.70/x
  3. Step 3: Cross multiply
    64,161,796.30x = 96,266,314.05 × 21,032,406.70
  4. Step 4: Simplify right side
    64,161,796.30x = 2,024,712,268,609,524
  5. Step 5: Solve for x
    x = 2,024,712,268,609,524/64,161,796.30
  6. Step 6: Final answer
    x = 31,556,352.62

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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.