Home / 111,324,368.26-153,622,423.35-61,764,214.51

Finding the Fourth Proportional to 111,324,368.26, 153,622,423.35 and 61,764,214.51

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Solution

The fourth proportional to 111,324,368.26, 153,622,423.35 and 61,764,214.51 is: 85,231,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,324,368.26 : 153,622,423.35 = 61,764,214.51 : x
  2. Step 2: Convert to fraction form
    111,324,368.26/153,622,423.35 = 61,764,214.51/x
  3. Step 3: Cross multiply
    111,324,368.26x = 153,622,423.35 × 61,764,214.51
  4. Step 4: Simplify right side
    111,324,368.26x = 9,488,368,309,335,432
  5. Step 5: Solve for x
    x = 9,488,368,309,335,432/111,324,368.26
  6. Step 6: Final answer
    x = 85,231,728.31

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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.