Home / 111,966,193.27-154,441,216.65-74,288,541.70

Finding the Fourth Proportional to 111,966,193.27, 154,441,216.65 and 74,288,541.70

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Solution

The fourth proportional to 111,966,193.27, 154,441,216.65 and 74,288,541.70 is: 102,470,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,966,193.27 : 154,441,216.65 = 74,288,541.70 : x
  2. Step 2: Convert to fraction form
    111,966,193.27/154,441,216.65 = 74,288,541.70/x
  3. Step 3: Cross multiply
    111,966,193.27x = 154,441,216.65 × 74,288,541.70
  4. Step 4: Simplify right side
    111,966,193.27x = 11,473,212,763,302,260
  5. Step 5: Solve for x
    x = 11,473,212,763,302,260/111,966,193.27
  6. Step 6: Final answer
    x = 102,470,329.91

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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.