Home / 70,449,030.78-105,620,251.05-46,194,063.90

Finding the Fourth Proportional to 70,449,030.78, 105,620,251.05 and 46,194,063.90

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Solution

The fourth proportional to 70,449,030.78, 105,620,251.05 and 46,194,063.90 is: 69,256,149.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,449,030.78 : 105,620,251.05 = 46,194,063.90 : x
  2. Step 2: Convert to fraction form
    70,449,030.78/105,620,251.05 = 46,194,063.90/x
  3. Step 3: Cross multiply
    70,449,030.78x = 105,620,251.05 × 46,194,063.90
  4. Step 4: Simplify right side
    70,449,030.78x = 4,879,028,626,137,742
  5. Step 5: Solve for x
    x = 4,879,028,626,137,742/70,449,030.78
  6. Step 6: Final answer
    x = 69,256,149.76

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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.