Home / 123,873,035.82-170,902,948.12-70,221,941.25

Finding the Fourth Proportional to 123,873,035.82, 170,902,948.12 and 70,221,941.25

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Solution

The fourth proportional to 123,873,035.82, 170,902,948.12 and 70,221,941.25 is: 96,882,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,873,035.82 : 170,902,948.12 = 70,221,941.25 : x
  2. Step 2: Convert to fraction form
    123,873,035.82/170,902,948.12 = 70,221,941.25/x
  3. Step 3: Cross multiply
    123,873,035.82x = 170,902,948.12 × 70,221,941.25
  4. Step 4: Simplify right side
    123,873,035.82x = 12,001,136,782,158,884
  5. Step 5: Solve for x
    x = 12,001,136,782,158,884/123,873,035.82
  6. Step 6: Final answer
    x = 96,882,559.65

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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.