Home / 82,005,724.74-113,170,262.04-45,338,657.70

Finding the Fourth Proportional to 82,005,724.74, 113,170,262.04 and 45,338,657.70

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Solution

The fourth proportional to 82,005,724.74, 113,170,262.04 and 45,338,657.70 is: 62,568,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,005,724.74 : 113,170,262.04 = 45,338,657.70 : x
  2. Step 2: Convert to fraction form
    82,005,724.74/113,170,262.04 = 45,338,657.70/x
  3. Step 3: Cross multiply
    82,005,724.74x = 113,170,262.04 × 45,338,657.70
  4. Step 4: Simplify right side
    82,005,724.74x = 5,130,987,772,450,864
  5. Step 5: Solve for x
    x = 5,130,987,772,450,864/82,005,724.74
  6. Step 6: Final answer
    x = 62,568,653.45

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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.