Home / 72,000,785.79-107,973,272.57-25,932,821.49

Finding the Fourth Proportional to 72,000,785.79, 107,973,272.57 and 25,932,821.49

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Solution

The fourth proportional to 72,000,785.79, 107,973,272.57 and 25,932,821.49 is: 38,889,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,000,785.79 : 107,973,272.57 = 25,932,821.49 : x
  2. Step 2: Convert to fraction form
    72,000,785.79/107,973,272.57 = 25,932,821.49/x
  3. Step 3: Cross multiply
    72,000,785.79x = 107,973,272.57 × 25,932,821.49
  4. Step 4: Simplify right side
    72,000,785.79x = 2,800,051,603,119,259
  5. Step 5: Solve for x
    x = 2,800,051,603,119,259/72,000,785.79
  6. Step 6: Final answer
    x = 38,889,181.17

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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.