Home / 165,871,014.40-248,806,521.60-105,554,137.60

Finding the Fourth Proportional to 165,871,014.40, 248,806,521.60 and 105,554,137.60

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Solution

The fourth proportional to 165,871,014.40, 248,806,521.60 and 105,554,137.60 is: 158,331,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,871,014.40 : 248,806,521.60 = 105,554,137.60 : x
  2. Step 2: Convert to fraction form
    165,871,014.40/248,806,521.60 = 105,554,137.60/x
  3. Step 3: Cross multiply
    165,871,014.40x = 248,806,521.60 × 105,554,137.60
  4. Step 4: Simplify right side
    165,871,014.40x = 26,262,557,816,743,772
  5. Step 5: Solve for x
    x = 26,262,557,816,743,772/165,871,014.40
  6. Step 6: Final answer
    x = 158,331,206.40

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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.