Home / 165,871,279.40-248,806,919.10-105,554,402.60

Finding the Fourth Proportional to 165,871,279.40, 248,806,919.10 and 105,554,402.60

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Solution

The fourth proportional to 165,871,279.40, 248,806,919.10 and 105,554,402.60 is: 158,331,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,871,279.40 : 248,806,919.10 = 105,554,402.60 : x
  2. Step 2: Convert to fraction form
    165,871,279.40/248,806,919.10 = 105,554,402.60/x
  3. Step 3: Cross multiply
    165,871,279.40x = 248,806,919.10 × 105,554,402.60
  4. Step 4: Simplify right side
    165,871,279.40x = 26,262,665,708,347,028
  5. Step 5: Solve for x
    x = 26,262,665,708,347,028/165,871,279.40
  6. Step 6: Final answer
    x = 158,331,603.90

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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.