Home / 172,478,364,373.18-258,486,285,967.52-134,235,764,387.74

Finding the Fourth Proportional to 172,478,364,373.18, 258,486,285,967.52 and 134,235,764,387.74

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Solution

The fourth proportional to 172,478,364,373.18, 258,486,285,967.52 and 134,235,764,387.74 is: 201,173,662,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,478,364,373.18 : 258,486,285,967.52 = 134,235,764,387.74 : x
  2. Step 2: Convert to fraction form
    172,478,364,373.18/258,486,285,967.52 = 134,235,764,387.74/x
  3. Step 3: Cross multiply
    172,478,364,373.18x = 258,486,285,967.52 × 134,235,764,387.74
  4. Step 4: Simplify right side
    172,478,364,373.18x = 34,698,104,180,597,996,912,640
  5. Step 5: Solve for x
    x = 34,698,104,180,597,996,912,640/172,478,364,373.18
  6. Step 6: Final answer
    x = 201,173,662,022.47

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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.