Home / 193,816,531.89-290,561,379.73-84,561,567.98

Finding the Fourth Proportional to 193,816,531.89, 290,561,379.73 and 84,561,567.98

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Solution

The fourth proportional to 193,816,531.89, 290,561,379.73 and 84,561,567.98 is: 126,771,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,816,531.89 : 290,561,379.73 = 84,561,567.98 : x
  2. Step 2: Convert to fraction form
    193,816,531.89/290,561,379.73 = 84,561,567.98/x
  3. Step 3: Cross multiply
    193,816,531.89x = 290,561,379.73 × 84,561,567.98
  4. Step 4: Simplify right side
    193,816,531.89x = 24,570,325,862,736,780
  5. Step 5: Solve for x
    x = 24,570,325,862,736,780/193,816,531.89
  6. Step 6: Final answer
    x = 126,771,053.14

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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.