Home / 76,308,489.48-114,463,426.14-21,721,053.54

Finding the Fourth Proportional to 76,308,489.48, 114,463,426.14 and 21,721,053.54

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Solution

The fourth proportional to 76,308,489.48, 114,463,426.14 and 21,721,053.54 is: 32,581,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,308,489.48 : 114,463,426.14 = 21,721,053.54 : x
  2. Step 2: Convert to fraction form
    76,308,489.48/114,463,426.14 = 21,721,053.54/x
  3. Step 3: Cross multiply
    76,308,489.48x = 114,463,426.14 × 21,721,053.54
  4. Step 4: Simplify right side
    76,308,489.48x = 2,486,266,207,558,775.50
  5. Step 5: Solve for x
    x = 2,486,266,207,558,775.50/76,308,489.48
  6. Step 6: Final answer
    x = 32,581,777.26

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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.