Home / 108,661,019.23-149,938,596.20-73,455,424.55

Finding the Fourth Proportional to 108,661,019.23, 149,938,596.20 and 73,455,424.55

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Solution

The fourth proportional to 108,661,019.23, 149,938,596.20 and 73,455,424.55 is: 101,359,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,661,019.23 : 149,938,596.20 = 73,455,424.55 : x
  2. Step 2: Convert to fraction form
    108,661,019.23/149,938,596.20 = 73,455,424.55/x
  3. Step 3: Cross multiply
    108,661,019.23x = 149,938,596.20 × 73,455,424.55
  4. Step 4: Simplify right side
    108,661,019.23x = 11,013,803,239,735,962
  5. Step 5: Solve for x
    x = 11,013,803,239,735,962/108,661,019.23
  6. Step 6: Final answer
    x = 101,359,285.22

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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.