Home / 53,862,763.51-74,332,447.91-31,855,128.31

Finding the Fourth Proportional to 53,862,763.51, 74,332,447.91 and 31,855,128.31

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Solution

The fourth proportional to 53,862,763.51, 74,332,447.91 and 31,855,128.31 is: 43,961,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862,763.51 : 74,332,447.91 = 31,855,128.31 : x
  2. Step 2: Convert to fraction form
    53,862,763.51/74,332,447.91 = 31,855,128.31/x
  3. Step 3: Cross multiply
    53,862,763.51x = 74,332,447.91 × 31,855,128.31
  4. Step 4: Simplify right side
    53,862,763.51x = 2,367,869,665,610,165.50
  5. Step 5: Solve for x
    x = 2,367,869,665,610,165.50/53,862,763.51
  6. Step 6: Final answer
    x = 43,961,161.87

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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.