Home / 86,768,172.77-130,162,132.08-31,462,057.86

Finding the Fourth Proportional to 86,768,172.77, 130,162,132.08 and 31,462,057.86

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Solution

The fourth proportional to 86,768,172.77, 130,162,132.08 and 31,462,057.86 is: 47,196,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,768,172.77 : 130,162,132.08 = 31,462,057.86 : x
  2. Step 2: Convert to fraction form
    86,768,172.77/130,162,132.08 = 31,462,057.86/x
  3. Step 3: Cross multiply
    86,768,172.77x = 130,162,132.08 × 31,462,057.86
  4. Step 4: Simplify right side
    86,768,172.77x = 4,095,168,530,681,922
  5. Step 5: Solve for x
    x = 4,095,168,530,681,922/86,768,172.77
  6. Step 6: Final answer
    x = 47,196,666.71

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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.