Home / 139,968,142.90-209,952,214.35-101,448,949.30

Finding the Fourth Proportional to 139,968,142.90, 209,952,214.35 and 101,448,949.30

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Solution

The fourth proportional to 139,968,142.90, 209,952,214.35 and 101,448,949.30 is: 152,173,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,142.90 : 209,952,214.35 = 101,448,949.30 : x
  2. Step 2: Convert to fraction form
    139,968,142.90/209,952,214.35 = 101,448,949.30/x
  3. Step 3: Cross multiply
    139,968,142.90x = 209,952,214.35 × 101,448,949.30
  4. Step 4: Simplify right side
    139,968,142.90x = 21,299,431,549,015,880
  5. Step 5: Solve for x
    x = 21,299,431,549,015,880/139,968,142.90
  6. Step 6: Final answer
    x = 152,173,423.95

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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.