Home / 128,734,388.85-193,187,444.15-46,853,244.33

Finding the Fourth Proportional to 128,734,388.85, 193,187,444.15 and 46,853,244.33

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Solution

The fourth proportional to 128,734,388.85, 193,187,444.15 and 46,853,244.33 is: 70,311,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,734,388.85 : 193,187,444.15 = 46,853,244.33 : x
  2. Step 2: Convert to fraction form
    128,734,388.85/193,187,444.15 = 46,853,244.33/x
  3. Step 3: Cross multiply
    128,734,388.85x = 193,187,444.15 × 46,853,244.33
  4. Step 4: Simplify right side
    128,734,388.85x = 9,051,458,522,013,914
  5. Step 5: Solve for x
    x = 9,051,458,522,013,914/128,734,388.85
  6. Step 6: Final answer
    x = 70,311,115.80

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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.