Home / 216,864,007.20-325,296,010.80-186,630,919.20

Finding the Fourth Proportional to 216,864,007.20, 325,296,010.80 and 186,630,919.20

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Solution

The fourth proportional to 216,864,007.20, 325,296,010.80 and 186,630,919.20 is: 279,946,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,864,007.20 : 325,296,010.80 = 186,630,919.20 : x
  2. Step 2: Convert to fraction form
    216,864,007.20/325,296,010.80 = 186,630,919.20/x
  3. Step 3: Cross multiply
    216,864,007.20x = 325,296,010.80 × 186,630,919.20
  4. Step 4: Simplify right side
    216,864,007.20x = 60,710,293,507,697,128
  5. Step 5: Solve for x
    x = 60,710,293,507,697,128/216,864,007.20
  6. Step 6: Final answer
    x = 279,946,378.80

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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.