Home / 111,460,317.38-167,124,243.28-42,378,177.74

Finding the Fourth Proportional to 111,460,317.38, 167,124,243.28 and 42,378,177.74

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Solution

The fourth proportional to 111,460,317.38, 167,124,243.28 and 42,378,177.74 is: 63,542,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,460,317.38 : 167,124,243.28 = 42,378,177.74 : x
  2. Step 2: Convert to fraction form
    111,460,317.38/167,124,243.28 = 42,378,177.74/x
  3. Step 3: Cross multiply
    111,460,317.38x = 167,124,243.28 × 42,378,177.74
  4. Step 4: Simplify right side
    111,460,317.38x = 7,082,420,886,382,841
  5. Step 5: Solve for x
    x = 7,082,420,886,382,841/111,460,317.38
  6. Step 6: Final answer
    x = 63,542,084.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.