Home / 161,923,620.40-242,885,430.60-80,055,134.35

Finding the Fourth Proportional to 161,923,620.40, 242,885,430.60 and 80,055,134.35

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Solution

The fourth proportional to 161,923,620.40, 242,885,430.60 and 80,055,134.35 is: 120,082,701.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,923,620.40 : 242,885,430.60 = 80,055,134.35 : x
  2. Step 2: Convert to fraction form
    161,923,620.40/242,885,430.60 = 80,055,134.35/x
  3. Step 3: Cross multiply
    161,923,620.40x = 242,885,430.60 × 80,055,134.35
  4. Step 4: Simplify right side
    161,923,620.40x = 19,444,225,778,340,600
  5. Step 5: Solve for x
    x = 19,444,225,778,340,600/161,923,620.40
  6. Step 6: Final answer
    x = 120,082,701.53

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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.