Home / 139,968,004.80-209,952,007.20-96,825,201.60

Finding the Fourth Proportional to 139,968,004.80, 209,952,007.20 and 96,825,201.60

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Solution

The fourth proportional to 139,968,004.80, 209,952,007.20 and 96,825,201.60 is: 145,237,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,004.80 : 209,952,007.20 = 96,825,201.60 : x
  2. Step 2: Convert to fraction form
    139,968,004.80/209,952,007.20 = 96,825,201.60/x
  3. Step 3: Cross multiply
    139,968,004.80x = 209,952,007.20 × 96,825,201.60
  4. Step 4: Simplify right side
    139,968,004.80x = 20,328,645,423,464,648
  5. Step 5: Solve for x
    x = 20,328,645,423,464,648/139,968,004.80
  6. Step 6: Final answer
    x = 145,237,802.40

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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.