Home / 57,901,655.50-86,834,076.09-19,031,142.22

Finding the Fourth Proportional to 57,901,655.50, 86,834,076.09 and 19,031,142.22

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Solution

The fourth proportional to 57,901,655.50, 86,834,076.09 and 19,031,142.22 is: 28,540,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,901,655.50 : 86,834,076.09 = 19,031,142.22 : x
  2. Step 2: Convert to fraction form
    57,901,655.50/86,834,076.09 = 19,031,142.22/x
  3. Step 3: Cross multiply
    57,901,655.50x = 86,834,076.09 × 19,031,142.22
  4. Step 4: Simplify right side
    57,901,655.50x = 1,652,551,651,611,091.50
  5. Step 5: Solve for x
    x = 1,652,551,651,611,091.50/57,901,655.50
  6. Step 6: Final answer
    x = 28,540,663.26

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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.