Home / 85,833,729.24-118,453,661.20-49,171,386.12

Finding the Fourth Proportional to 85,833,729.24, 118,453,661.20 and 49,171,386.12

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Solution

The fourth proportional to 85,833,729.24, 118,453,661.20 and 49,171,386.12 is: 67,858,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,833,729.24 : 118,453,661.20 = 49,171,386.12 : x
  2. Step 2: Convert to fraction form
    85,833,729.24/118,453,661.20 = 49,171,386.12/x
  3. Step 3: Cross multiply
    85,833,729.24x = 118,453,661.20 × 49,171,386.12
  4. Step 4: Simplify right side
    85,833,729.24x = 5,824,530,712,192,862
  5. Step 5: Solve for x
    x = 5,824,530,712,192,862/85,833,729.24
  6. Step 6: Final answer
    x = 67,858,297.24

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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.