Home / 151,395,257,659.23-208,880,098,188.89-87,164,330,512.32

Finding the Fourth Proportional to 151,395,257,659.23, 208,880,098,188.89 and 87,164,330,512.32

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Solution

The fourth proportional to 151,395,257,659.23, 208,880,098,188.89 and 87,164,330,512.32 is: 120,260,662,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,395,257,659.23 : 208,880,098,188.89 = 87,164,330,512.32 : x
  2. Step 2: Convert to fraction form
    151,395,257,659.23/208,880,098,188.89 = 87,164,330,512.32/x
  3. Step 3: Cross multiply
    151,395,257,659.23x = 208,880,098,188.89 × 87,164,330,512.32
  4. Step 4: Simplify right side
    151,395,257,659.23x = 18,206,893,915,982,264,270,848
  5. Step 5: Solve for x
    x = 18,206,893,915,982,264,270,848/151,395,257,659.23
  6. Step 6: Final answer
    x = 120,260,662,041.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.