Home / 57,473,326.80-86,233,609.80-21,099,142.80

Finding the Fourth Proportional to 57,473,326.80, 86,233,609.80 and 21,099,142.80

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Solution

The fourth proportional to 57,473,326.80, 86,233,609.80 and 21,099,142.80 is: 31,657,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,473,326.80 : 86,233,609.80 = 21,099,142.80 : x
  2. Step 2: Convert to fraction form
    57,473,326.80/86,233,609.80 = 21,099,142.80/x
  3. Step 3: Cross multiply
    57,473,326.80x = 86,233,609.80 × 21,099,142.80
  4. Step 4: Simplify right side
    57,473,326.80x = 1,819,455,247,329,679.50
  5. Step 5: Solve for x
    x = 1,819,455,247,329,679.50/57,473,326.80
  6. Step 6: Final answer
    x = 31,657,385.24

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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.