Home / 122,079,685.23-168,428,299.59-75,652,999.47

Finding the Fourth Proportional to 122,079,685.23, 168,428,299.59 and 75,652,999.47

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Solution

The fourth proportional to 122,079,685.23, 168,428,299.59 and 75,652,999.47 is: 104,375,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,079,685.23 : 168,428,299.59 = 75,652,999.47 : x
  2. Step 2: Convert to fraction form
    122,079,685.23/168,428,299.59 = 75,652,999.47/x
  3. Step 3: Cross multiply
    122,079,685.23x = 168,428,299.59 × 75,652,999.47
  4. Step 4: Simplify right side
    122,079,685.23x = 12,742,106,059,615,272
  5. Step 5: Solve for x
    x = 12,742,106,059,615,272/122,079,685.23
  6. Step 6: Final answer
    x = 104,375,318.76

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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.