Home / 136,874,318.03-188,885,782.73-74,151,642.77

Finding the Fourth Proportional to 136,874,318.03, 188,885,782.73 and 74,151,642.77

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Solution

The fourth proportional to 136,874,318.03, 188,885,782.73 and 74,151,642.77 is: 102,328,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,874,318.03 : 188,885,782.73 = 74,151,642.77 : x
  2. Step 2: Convert to fraction form
    136,874,318.03/188,885,782.73 = 74,151,642.77/x
  3. Step 3: Cross multiply
    136,874,318.03x = 188,885,782.73 × 74,151,642.77
  4. Step 4: Simplify right side
    136,874,318.03x = 14,006,191,085,276,066
  5. Step 5: Solve for x
    x = 14,006,191,085,276,066/136,874,318.03
  6. Step 6: Final answer
    x = 102,328,846.54

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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.