Home / 139,968,132.70-209,952,199.05-63,293,662.30

Finding the Fourth Proportional to 139,968,132.70, 209,952,199.05 and 63,293,662.30

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Solution

The fourth proportional to 139,968,132.70, 209,952,199.05 and 63,293,662.30 is: 94,940,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,132.70 : 209,952,199.05 = 63,293,662.30 : x
  2. Step 2: Convert to fraction form
    139,968,132.70/209,952,199.05 = 63,293,662.30/x
  3. Step 3: Cross multiply
    139,968,132.70x = 209,952,199.05 × 63,293,662.30
  4. Step 4: Simplify right side
    139,968,132.70x = 13,288,643,585,813,080
  5. Step 5: Solve for x
    x = 13,288,643,585,813,080/139,968,132.70
  6. Step 6: Final answer
    x = 94,940,493.45

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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.