Home / 46,778,520.42-70,162,419.69-12,238,255.35

Finding the Fourth Proportional to 46,778,520.42, 70,162,419.69 and 12,238,255.35

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Solution

The fourth proportional to 46,778,520.42, 70,162,419.69 and 12,238,255.35 is: 18,355,980.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,778,520.42 : 70,162,419.69 = 12,238,255.35 : x
  2. Step 2: Convert to fraction form
    46,778,520.42/70,162,419.69 = 12,238,255.35/x
  3. Step 3: Cross multiply
    46,778,520.42x = 70,162,419.69 × 12,238,255.35
  4. Step 4: Simplify right side
    46,778,520.42x = 858,665,608,140,087.75
  5. Step 5: Solve for x
    x = 858,665,608,140,087.75/46,778,520.42
  6. Step 6: Final answer
    x = 18,355,980.49

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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.