Home / 123,551,254.89-170,500,263.87-67,797,608.13

Finding the Fourth Proportional to 123,551,254.89, 170,500,263.87 and 67,797,608.13

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Solution

The fourth proportional to 123,551,254.89, 170,500,263.87 and 67,797,608.13 is: 93,560,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,551,254.89 : 170,500,263.87 = 67,797,608.13 : x
  2. Step 2: Convert to fraction form
    123,551,254.89/170,500,263.87 = 67,797,608.13/x
  3. Step 3: Cross multiply
    123,551,254.89x = 170,500,263.87 × 67,797,608.13
  4. Step 4: Simplify right side
    123,551,254.89x = 11,559,510,075,919,856
  5. Step 5: Solve for x
    x = 11,559,510,075,919,856/123,551,254.89
  6. Step 6: Final answer
    x = 93,560,442.48

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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.