Home / 107,877,189.88-148,835,241.12-66,017,618.20

Finding the Fourth Proportional to 107,877,189.88, 148,835,241.12 and 66,017,618.20

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Solution

The fourth proportional to 107,877,189.88, 148,835,241.12 and 66,017,618.20 is: 91,082,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,877,189.88 : 148,835,241.12 = 66,017,618.20 : x
  2. Step 2: Convert to fraction form
    107,877,189.88/148,835,241.12 = 66,017,618.20/x
  3. Step 3: Cross multiply
    107,877,189.88x = 148,835,241.12 × 66,017,618.20
  4. Step 4: Simplify right side
    107,877,189.88x = 9,825,748,122,965,102
  5. Step 5: Solve for x
    x = 9,825,748,122,965,102/107,877,189.88
  6. Step 6: Final answer
    x = 91,082,722.25

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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.