Home / 45,852,100.32-68,778,137.93-31,431,448.79

Finding the Fourth Proportional to 45,852,100.32, 68,778,137.93 and 31,431,448.79

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Solution

The fourth proportional to 45,852,100.32, 68,778,137.93 and 31,431,448.79 is: 47,147,164.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,852,100.32 : 68,778,137.93 = 31,431,448.79 : x
  2. Step 2: Convert to fraction form
    45,852,100.32/68,778,137.93 = 31,431,448.79/x
  3. Step 3: Cross multiply
    45,852,100.32x = 68,778,137.93 × 31,431,448.79
  4. Step 4: Simplify right side
    45,852,100.32x = 2,161,796,519,717,303.50
  5. Step 5: Solve for x
    x = 2,161,796,519,717,303.50/45,852,100.32
  6. Step 6: Final answer
    x = 47,147,164.57

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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.