Home / 134,885,410.09-186,122,054.42-75,339,368.78

Finding the Fourth Proportional to 134,885,410.09, 186,122,054.42 and 75,339,368.78

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Solution

The fourth proportional to 134,885,410.09, 186,122,054.42 and 75,339,368.78 is: 103,957,263.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,885,410.09 : 186,122,054.42 = 75,339,368.78 : x
  2. Step 2: Convert to fraction form
    134,885,410.09/186,122,054.42 = 75,339,368.78/x
  3. Step 3: Cross multiply
    134,885,410.09x = 186,122,054.42 × 75,339,368.78
  4. Step 4: Simplify right side
    134,885,410.09x = 14,022,318,095,014,824
  5. Step 5: Solve for x
    x = 14,022,318,095,014,824/134,885,410.09
  6. Step 6: Final answer
    x = 103,957,263.32

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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.