Home / 158,298,162.16-218,451,485-87,738,322.96

Finding the Fourth Proportional to 158,298,162.16, 218,451,485 and 87,738,322.96

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Solution

The fourth proportional to 158,298,162.16, 218,451,485 and 87,738,322.96 is: 121,078,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,298,162.16 : 218,451,485 = 87,738,322.96 : x
  2. Step 2: Convert to fraction form
    158,298,162.16/218,451,485 = 87,738,322.96/x
  3. Step 3: Cross multiply
    158,298,162.16x = 218,451,485 × 87,738,322.96
  4. Step 4: Simplify right side
    158,298,162.16x = 19,166,566,942,021,596
  5. Step 5: Solve for x
    x = 19,166,566,942,021,596/158,298,162.16
  6. Step 6: Final answer
    x = 121,078,897.45

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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.