Home / 104,079,290.78-143,629,590.08-57,028,887.64

Finding the Fourth Proportional to 104,079,290.78, 143,629,590.08 and 57,028,887.64

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Solution

The fourth proportional to 104,079,290.78, 143,629,590.08 and 57,028,887.64 is: 78,699,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,079,290.78 : 143,629,590.08 = 57,028,887.64 : x
  2. Step 2: Convert to fraction form
    104,079,290.78/143,629,590.08 = 57,028,887.64/x
  3. Step 3: Cross multiply
    104,079,290.78x = 143,629,590.08 × 57,028,887.64
  4. Step 4: Simplify right side
    104,079,290.78x = 8,191,035,754,773,688
  5. Step 5: Solve for x
    x = 8,191,035,754,773,688/104,079,290.78
  6. Step 6: Final answer
    x = 78,699,957.44

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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.