Home / 284,127,336.40-426,191,004.60-131,072,328.40

Finding the Fourth Proportional to 284,127,336.40, 426,191,004.60 and 131,072,328.40

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Solution

The fourth proportional to 284,127,336.40, 426,191,004.60 and 131,072,328.40 is: 196,608,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,127,336.40 : 426,191,004.60 = 131,072,328.40 : x
  2. Step 2: Convert to fraction form
    284,127,336.40/426,191,004.60 = 131,072,328.40/x
  3. Step 3: Cross multiply
    284,127,336.40x = 426,191,004.60 × 131,072,328.40
  4. Step 4: Simplify right side
    284,127,336.40x = 55,861,847,316,057,120
  5. Step 5: Solve for x
    x = 55,861,847,316,057,120/284,127,336.40
  6. Step 6: Final answer
    x = 196,608,492.60

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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.