Home / 29,077,065.52-40,128,239.77-16,691,168.81

Finding the Fourth Proportional to 29,077,065.52, 40,128,239.77 and 16,691,168.81

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Solution

The fourth proportional to 29,077,065.52, 40,128,239.77 and 16,691,168.81 is: 23,034,897.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,077,065.52 : 40,128,239.77 = 16,691,168.81 : x
  2. Step 2: Convert to fraction form
    29,077,065.52/40,128,239.77 = 16,691,168.81/x
  3. Step 3: Cross multiply
    29,077,065.52x = 40,128,239.77 × 16,691,168.81
  4. Step 4: Simplify right side
    29,077,065.52x = 669,787,224,107,818.25
  5. Step 5: Solve for x
    x = 669,787,224,107,818.25/29,077,065.52
  6. Step 6: Final answer
    x = 23,034,897.51

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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.