Home / 72,007,334.04-107,967,262.74-28,235,653.43

Finding the Fourth Proportional to 72,007,334.04, 107,967,262.74 and 28,235,653.43

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Solution

The fourth proportional to 72,007,334.04, 107,967,262.74 and 28,235,653.43 is: 42,336,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,007,334.04 : 107,967,262.74 = 28,235,653.43 : x
  2. Step 2: Convert to fraction form
    72,007,334.04/107,967,262.74 = 28,235,653.43/x
  3. Step 3: Cross multiply
    72,007,334.04x = 107,967,262.74 × 28,235,653.43
  4. Step 4: Simplify right side
    72,007,334.04x = 3,048,526,212,095,652
  5. Step 5: Solve for x
    x = 3,048,526,212,095,652/72,007,334.04
  6. Step 6: Final answer
    x = 42,336,329.39

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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.