Home / 31,167,155,302.89-43,009,522,043.89-16,893,676,471.75

Finding the Fourth Proportional to 31,167,155,302.89, 43,009,522,043.89 and 16,893,676,471.75

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Solution

The fourth proportional to 31,167,155,302.89, 43,009,522,043.89 and 16,893,676,471.75 is: 23,312,648,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,167,155,302.89 : 43,009,522,043.89 = 16,893,676,471.75 : x
  2. Step 2: Convert to fraction form
    31,167,155,302.89/43,009,522,043.89 = 16,893,676,471.75/x
  3. Step 3: Cross multiply
    31,167,155,302.89x = 43,009,522,043.89 × 16,893,676,471.75
  4. Step 4: Simplify right side
    31,167,155,302.89x = 726,588,950,614,077,472,768
  5. Step 5: Solve for x
    x = 726,588,950,614,077,472,768/31,167,155,302.89
  6. Step 6: Final answer
    x = 23,312,648,958.59

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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.