Home / 139,968,015.10-209,952,022.65-134,299,311.10

Finding the Fourth Proportional to 139,968,015.10, 209,952,022.65 and 134,299,311.10

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Solution

The fourth proportional to 139,968,015.10, 209,952,022.65 and 134,299,311.10 is: 201,448,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,015.10 : 209,952,022.65 = 134,299,311.10 : x
  2. Step 2: Convert to fraction form
    139,968,015.10/209,952,022.65 = 134,299,311.10/x
  3. Step 3: Cross multiply
    139,968,015.10x = 209,952,022.65 × 134,299,311.10
  4. Step 4: Simplify right side
    139,968,015.10x = 28,196,412,005,946,596
  5. Step 5: Solve for x
    x = 28,196,412,005,946,596/139,968,015.10
  6. Step 6: Final answer
    x = 201,448,966.65

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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.