Home / 139,968,120.15-209,952,180.23-101,448,926.55

Finding the Fourth Proportional to 139,968,120.15, 209,952,180.23 and 101,448,926.55

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Solution

The fourth proportional to 139,968,120.15, 209,952,180.23 and 101,448,926.55 is: 152,173,389.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,120.15 : 209,952,180.23 = 101,448,926.55 : x
  2. Step 2: Convert to fraction form
    139,968,120.15/209,952,180.23 = 101,448,926.55/x
  3. Step 3: Cross multiply
    139,968,120.15x = 209,952,180.23 × 101,448,926.55
  4. Step 4: Simplify right side
    139,968,120.15x = 21,299,423,311,165,632
  5. Step 5: Solve for x
    x = 21,299,423,311,165,632/139,968,120.15
  6. Step 6: Final answer
    x = 152,173,389.83

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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.