Home / 103,315,832.20-154,992,818.94-42,736,282.12

Finding the Fourth Proportional to 103,315,832.20, 154,992,818.94 and 42,736,282.12

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Solution

The fourth proportional to 103,315,832.20, 154,992,818.94 and 42,736,282.12 is: 64,112,311.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,315,832.20 : 154,992,818.94 = 42,736,282.12 : x
  2. Step 2: Convert to fraction form
    103,315,832.20/154,992,818.94 = 42,736,282.12/x
  3. Step 3: Cross multiply
    103,315,832.20x = 154,992,818.94 × 42,736,282.12
  4. Step 4: Simplify right side
    103,315,832.20x = 6,623,816,837,068,005
  5. Step 5: Solve for x
    x = 6,623,816,837,068,005/103,315,832.20
  6. Step 6: Final answer
    x = 64,112,311.69

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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.