Home / 110,397,943.80-165,596,915.70-109,642,116.60

Finding the Fourth Proportional to 110,397,943.80, 165,596,915.70 and 109,642,116.60

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Solution

The fourth proportional to 110,397,943.80, 165,596,915.70 and 109,642,116.60 is: 164,463,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,397,943.80 : 165,596,915.70 = 109,642,116.60 : x
  2. Step 2: Convert to fraction form
    110,397,943.80/165,596,915.70 = 109,642,116.60/x
  3. Step 3: Cross multiply
    110,397,943.80x = 165,596,915.70 × 109,642,116.60
  4. Step 4: Simplify right side
    110,397,943.80x = 18,156,396,339,779,768
  5. Step 5: Solve for x
    x = 18,156,396,339,779,768/110,397,943.80
  6. Step 6: Final answer
    x = 164,463,174.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.