Home / 70,449,035.28-105,620,257.80-46,194,068.40

Finding the Fourth Proportional to 70,449,035.28, 105,620,257.80 and 46,194,068.40

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Solution

The fourth proportional to 70,449,035.28, 105,620,257.80 and 46,194,068.40 is: 69,256,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,449,035.28 : 105,620,257.80 = 46,194,068.40 : x
  2. Step 2: Convert to fraction form
    70,449,035.28/105,620,257.80 = 46,194,068.40/x
  3. Step 3: Cross multiply
    70,449,035.28x = 105,620,257.80 × 46,194,068.40
  4. Step 4: Simplify right side
    70,449,035.28x = 4,879,029,413,238,833
  5. Step 5: Solve for x
    x = 4,879,029,413,238,833/70,449,035.28
  6. Step 6: Final answer
    x = 69,256,156.51

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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.