Home / 107,970,782.83-149,017,497.09-66,178,095.53

Finding the Fourth Proportional to 107,970,782.83, 149,017,497.09 and 66,178,095.53

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Solution

The fourth proportional to 107,970,782.83, 149,017,497.09 and 66,178,095.53 is: 91,336,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,970,782.83 : 149,017,497.09 = 66,178,095.53 : x
  2. Step 2: Convert to fraction form
    107,970,782.83/149,017,497.09 = 66,178,095.53/x
  3. Step 3: Cross multiply
    107,970,782.83x = 149,017,497.09 × 66,178,095.53
  4. Step 4: Simplify right side
    107,970,782.83x = 9,861,694,157,070,262
  5. Step 5: Solve for x
    x = 9,861,694,157,070,262/107,970,782.83
  6. Step 6: Final answer
    x = 91,336,692.19

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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.