Home / 314,913,093.96-472,315,812.78-84,828,369.80

Finding the Fourth Proportional to 314,913,093.96, 472,315,812.78 and 84,828,369.80

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Solution

The fourth proportional to 314,913,093.96, 472,315,812.78 and 84,828,369.80 is: 127,228,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,913,093.96 : 472,315,812.78 = 84,828,369.80 : x
  2. Step 2: Convert to fraction form
    314,913,093.96/472,315,812.78 = 84,828,369.80/x
  3. Step 3: Cross multiply
    314,913,093.96x = 472,315,812.78 × 84,828,369.80
  4. Step 4: Simplify right side
    314,913,093.96x = 40,065,780,428,889,400
  5. Step 5: Solve for x
    x = 40,065,780,428,889,400/314,913,093.96
  6. Step 6: Final answer
    x = 127,228,054.97

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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.