Home / 81,505,508,274.70-122,314,108,268.61-28,446,541,386.52

Finding the Fourth Proportional to 81,505,508,274.70, 122,314,108,268.61 and 28,446,541,386.52

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Solution

The fourth proportional to 81,505,508,274.70, 122,314,108,268.61 and 28,446,541,386.52 is: 42,689,303,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,505,508,274.70 : 122,314,108,268.61 = 28,446,541,386.52 : x
  2. Step 2: Convert to fraction form
    81,505,508,274.70/122,314,108,268.61 = 28,446,541,386.52/x
  3. Step 3: Cross multiply
    81,505,508,274.70x = 122,314,108,268.61 × 28,446,541,386.52
  4. Step 4: Simplify right side
    81,505,508,274.70x = 3,479,413,343,018,302,832,640
  5. Step 5: Solve for x
    x = 3,479,413,343,018,302,832,640/81,505,508,274.70
  6. Step 6: Final answer
    x = 42,689,303,050.43

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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.