Home / 151,534,765.88-209,102,296.07-111,863,359.53

Finding the Fourth Proportional to 151,534,765.88, 209,102,296.07 and 111,863,359.53

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Solution

The fourth proportional to 151,534,765.88, 209,102,296.07 and 111,863,359.53 is: 154,359,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,534,765.88 : 209,102,296.07 = 111,863,359.53 : x
  2. Step 2: Convert to fraction form
    151,534,765.88/209,102,296.07 = 111,863,359.53/x
  3. Step 3: Cross multiply
    151,534,765.88x = 209,102,296.07 × 111,863,359.53
  4. Step 4: Simplify right side
    151,534,765.88x = 23,390,885,324,106,572
  5. Step 5: Solve for x
    x = 23,390,885,324,106,572/151,534,765.88
  6. Step 6: Final answer
    x = 154,359,860.51

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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.