Home / 103,143,628.64-154,698,616.56-30,343,377.44

Finding the Fourth Proportional to 103,143,628.64, 154,698,616.56 and 30,343,377.44

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Solution

The fourth proportional to 103,143,628.64, 154,698,616.56 and 30,343,377.44 is: 45,510,116.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,143,628.64 : 154,698,616.56 = 30,343,377.44 : x
  2. Step 2: Convert to fraction form
    103,143,628.64/154,698,616.56 = 30,343,377.44/x
  3. Step 3: Cross multiply
    103,143,628.64x = 154,698,616.56 × 30,343,377.44
  4. Step 4: Simplify right side
    103,143,628.64x = 4,694,078,511,725,915
  5. Step 5: Solve for x
    x = 4,694,078,511,725,915/103,143,628.64
  6. Step 6: Final answer
    x = 45,510,116.07

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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.