Home / 161,540,187,485.11-242,315,217,647.94-55,420,765,173.07

Finding the Fourth Proportional to 161,540,187,485.11, 242,315,217,647.94 and 55,420,765,173.07

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Solution

The fourth proportional to 161,540,187,485.11, 242,315,217,647.94 and 55,420,765,173.07 is: 83,132,841,333.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,540,187,485.11 : 242,315,217,647.94 = 55,420,765,173.07 : x
  2. Step 2: Convert to fraction form
    161,540,187,485.11/242,315,217,647.94 = 55,420,765,173.07/x
  3. Step 3: Cross multiply
    161,540,187,485.11x = 242,315,217,647.94 × 55,420,765,173.07
  4. Step 4: Simplify right side
    161,540,187,485.11x = 13,429,294,775,127,829,905,408
  5. Step 5: Solve for x
    x = 13,429,294,775,127,829,905,408/161,540,187,485.11
  6. Step 6: Final answer
    x = 83,132,841,333.16

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1.5x scale

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.