Home / 147,528,015.20-221,289,949.20-66,748,853.60

Finding the Fourth Proportional to 147,528,015.20, 221,289,949.20 and 66,748,853.60

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Solution

The fourth proportional to 147,528,015.20, 221,289,949.20 and 66,748,853.60 is: 100,122,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,528,015.20 : 221,289,949.20 = 66,748,853.60 : x
  2. Step 2: Convert to fraction form
    147,528,015.20/221,289,949.20 = 66,748,853.60/x
  3. Step 3: Cross multiply
    147,528,015.20x = 221,289,949.20 × 66,748,853.60
  4. Step 4: Simplify right side
    147,528,015.20x = 14,770,850,422,302,236
  5. Step 5: Solve for x
    x = 14,770,850,422,302,236/147,528,015.20
  6. Step 6: Final answer
    x = 100,122,342.20

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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.