Home / 134,729,969.87-185,929,779.92-79,015,574.13

Finding the Fourth Proportional to 134,729,969.87, 185,929,779.92 and 79,015,574.13

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Solution

The fourth proportional to 134,729,969.87, 185,929,779.92 and 79,015,574.13 is: 109,042,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,729,969.87 : 185,929,779.92 = 79,015,574.13 : x
  2. Step 2: Convert to fraction form
    134,729,969.87/185,929,779.92 = 79,015,574.13/x
  3. Step 3: Cross multiply
    134,729,969.87x = 185,929,779.92 × 79,015,574.13
  4. Step 4: Simplify right side
    134,729,969.87x = 14,691,348,307,151,030
  5. Step 5: Solve for x
    x = 14,691,348,307,151,030/134,729,969.87
  6. Step 6: Final answer
    x = 109,042,912.43

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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.