Home / 207,086,657,733.72-310,719,474,451.26-111,360,791,470.86

Finding the Fourth Proportional to 207,086,657,733.72, 310,719,474,451.26 and 111,360,791,470.86

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Solution

The fourth proportional to 207,086,657,733.72, 310,719,474,451.26 and 111,360,791,470.86 is: 167,089,309,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,086,657,733.72 : 310,719,474,451.26 = 111,360,791,470.86 : x
  2. Step 2: Convert to fraction form
    207,086,657,733.72/310,719,474,451.26 = 111,360,791,470.86/x
  3. Step 3: Cross multiply
    207,086,657,733.72x = 310,719,474,451.26 × 111,360,791,470.86
  4. Step 4: Simplify right side
    207,086,657,733.72x = 34,601,966,600,301,978,845,184
  5. Step 5: Solve for x
    x = 34,601,966,600,301,978,845,184/207,086,657,733.72
  6. Step 6: Final answer
    x = 167,089,309,272.62

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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.