Home / 113,325,285.60-169,987,928.40-99,932,972.40

Finding the Fourth Proportional to 113,325,285.60, 169,987,928.40 and 99,932,972.40

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Solution

The fourth proportional to 113,325,285.60, 169,987,928.40 and 99,932,972.40 is: 149,899,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,325,285.60 : 169,987,928.40 = 99,932,972.40 : x
  2. Step 2: Convert to fraction form
    113,325,285.60/169,987,928.40 = 99,932,972.40/x
  3. Step 3: Cross multiply
    113,325,285.60x = 169,987,928.40 × 99,932,972.40
  4. Step 4: Simplify right side
    113,325,285.60x = 16,987,398,957,130,378
  5. Step 5: Solve for x
    x = 16,987,398,957,130,378/113,325,285.60
  6. Step 6: Final answer
    x = 149,899,458.60

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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.