Home / 127,979,856,021.60-178,731,000,007.20-127,979,856,021.60

Finding the Fourth Proportional to 127,979,856,021.60, 178,731,000,007.20 and 127,979,856,021.60

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Solution

The fourth proportional to 127,979,856,021.60, 178,731,000,007.20 and 127,979,856,021.60 is: 178,731,000,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,979,856,021.60 : 178,731,000,007.20 = 127,979,856,021.60 : x
  2. Step 2: Convert to fraction form
    127,979,856,021.60/178,731,000,007.20 = 127,979,856,021.60/x
  3. Step 3: Cross multiply
    127,979,856,021.60x = 178,731,000,007.20 × 127,979,856,021.60
  4. Step 4: Simplify right side
    127,979,856,021.60x = 22,873,967,647,518,047,076,352
  5. Step 5: Solve for x
    x = 22,873,967,647,518,047,076,352/127,979,856,021.60
  6. Step 6: Final answer
    x = 178,731,000,007.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.