Home / 149,688,138.60-224,364,246.30-85,022,922.60

Finding the Fourth Proportional to 149,688,138.60, 224,364,246.30 and 85,022,922.60

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Solution

The fourth proportional to 149,688,138.60, 224,364,246.30 and 85,022,922.60 is: 127,438,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,688,138.60 : 224,364,246.30 = 85,022,922.60 : x
  2. Step 2: Convert to fraction form
    149,688,138.60/224,364,246.30 = 85,022,922.60/x
  3. Step 3: Cross multiply
    149,688,138.60x = 224,364,246.30 × 85,022,922.60
  4. Step 4: Simplify right side
    149,688,138.60x = 19,076,103,947,372,236
  5. Step 5: Solve for x
    x = 19,076,103,947,372,236/149,688,138.60
  6. Step 6: Final answer
    x = 127,438,981.64

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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.