Home / 76,268,794.84-105,152,146.73-49,398,317.76

Finding the Fourth Proportional to 76,268,794.84, 105,152,146.73 and 49,398,317.76

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Solution

The fourth proportional to 76,268,794.84, 105,152,146.73 and 49,398,317.76 is: 68,105,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,268,794.84 : 105,152,146.73 = 49,398,317.76 : x
  2. Step 2: Convert to fraction form
    76,268,794.84/105,152,146.73 = 49,398,317.76/x
  3. Step 3: Cross multiply
    76,268,794.84x = 105,152,146.73 × 49,398,317.76
  4. Step 4: Simplify right side
    76,268,794.84x = 5,194,339,157,314,685
  5. Step 5: Solve for x
    x = 5,194,339,157,314,685/76,268,794.84
  6. Step 6: Final answer
    x = 68,105,693.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.