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Finding the Fourth Proportional to 69,348,417.60, 104,027,480.29 and 27,849,287.51

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Solution

The fourth proportional to 69,348,417.60, 104,027,480.29 and 27,849,287.51 is: 41,775,880.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,348,417.60 : 104,027,480.29 = 27,849,287.51 : x
  2. Step 2: Convert to fraction form
    69,348,417.60/104,027,480.29 = 27,849,287.51/x
  3. Step 3: Cross multiply
    69,348,417.60x = 104,027,480.29 × 27,849,287.51
  4. Step 4: Simplify right side
    69,348,417.60x = 2,897,091,207,657,890.50
  5. Step 5: Solve for x
    x = 2,897,091,207,657,890.50/69,348,417.60
  6. Step 6: Final answer
    x = 41,775,880.52

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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.