Home / 165,871,013.40-248,806,520.10-105,554,136.60

Finding the Fourth Proportional to 165,871,013.40, 248,806,520.10 and 105,554,136.60

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Solution

The fourth proportional to 165,871,013.40, 248,806,520.10 and 105,554,136.60 is: 158,331,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,871,013.40 : 248,806,520.10 = 105,554,136.60 : x
  2. Step 2: Convert to fraction form
    165,871,013.40/248,806,520.10 = 105,554,136.60/x
  3. Step 3: Cross multiply
    165,871,013.40x = 248,806,520.10 × 105,554,136.60
  4. Step 4: Simplify right side
    165,871,013.40x = 26,262,557,409,606,044
  5. Step 5: Solve for x
    x = 26,262,557,409,606,044/165,871,013.40
  6. Step 6: Final answer
    x = 158,331,204.90

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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.