Home / 256,226,660.40-384,339,990.60-118,052,000.40

Finding the Fourth Proportional to 256,226,660.40, 384,339,990.60 and 118,052,000.40

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Solution

The fourth proportional to 256,226,660.40, 384,339,990.60 and 118,052,000.40 is: 177,078,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,226,660.40 : 384,339,990.60 = 118,052,000.40 : x
  2. Step 2: Convert to fraction form
    256,226,660.40/384,339,990.60 = 118,052,000.40/x
  3. Step 3: Cross multiply
    256,226,660.40x = 384,339,990.60 × 118,052,000.40
  4. Step 4: Simplify right side
    256,226,660.40x = 45,372,104,724,047,200
  5. Step 5: Solve for x
    x = 45,372,104,724,047,200/256,226,660.40
  6. Step 6: Final answer
    x = 177,078,000.60

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1.5x scale

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.