Home / 108,660,997.90-149,938,566.86-73,455,403.37

Finding the Fourth Proportional to 108,660,997.90, 149,938,566.86 and 73,455,403.37

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Solution

The fourth proportional to 108,660,997.90, 149,938,566.86 and 73,455,403.37 is: 101,359,256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,660,997.90 : 149,938,566.86 = 73,455,403.37 : x
  2. Step 2: Convert to fraction form
    108,660,997.90/149,938,566.86 = 73,455,403.37/x
  3. Step 3: Cross multiply
    108,660,997.90x = 149,938,566.86 × 73,455,403.37
  4. Step 4: Simplify right side
    108,660,997.90x = 11,013,797,909,421,016
  5. Step 5: Solve for x
    x = 11,013,797,909,421,016/108,660,997.90
  6. Step 6: Final answer
    x = 101,359,256.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.