Home / 158,095,342.29-218,171,540.43-88,480,715.67

Finding the Fourth Proportional to 158,095,342.29, 218,171,540.43 and 88,480,715.67

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Solution

The fourth proportional to 158,095,342.29, 218,171,540.43 and 88,480,715.67 is: 122,103,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,095,342.29 : 218,171,540.43 = 88,480,715.67 : x
  2. Step 2: Convert to fraction form
    158,095,342.29/218,171,540.43 = 88,480,715.67/x
  3. Step 3: Cross multiply
    158,095,342.29x = 218,171,540.43 × 88,480,715.67
  4. Step 4: Simplify right side
    158,095,342.29x = 19,303,974,036,072,740
  5. Step 5: Solve for x
    x = 19,303,974,036,072,740/158,095,342.29
  6. Step 6: Final answer
    x = 122,103,369.75

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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.