Home / 103,386,298.32-155,109,736.22-33,355,107.05

Finding the Fourth Proportional to 103,386,298.32, 155,109,736.22 and 33,355,107.05

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Solution

The fourth proportional to 103,386,298.32, 155,109,736.22 and 33,355,107.05 is: 50,042,432.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,386,298.32 : 155,109,736.22 = 33,355,107.05 : x
  2. Step 2: Convert to fraction form
    103,386,298.32/155,109,736.22 = 33,355,107.05/x
  3. Step 3: Cross multiply
    103,386,298.32x = 155,109,736.22 × 33,355,107.05
  4. Step 4: Simplify right side
    103,386,298.32x = 5,173,701,855,173,039
  5. Step 5: Solve for x
    x = 5,173,701,855,173,039/103,386,298.32
  6. Step 6: Final answer
    x = 50,042,432.50

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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.