Home / 161,923,619.40-242,885,429.10-80,055,133.35

Finding the Fourth Proportional to 161,923,619.40, 242,885,429.10 and 80,055,133.35

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Solution

The fourth proportional to 161,923,619.40, 242,885,429.10 and 80,055,133.35 is: 120,082,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,923,619.40 : 242,885,429.10 = 80,055,133.35 : x
  2. Step 2: Convert to fraction form
    161,923,619.40/242,885,429.10 = 80,055,133.35/x
  3. Step 3: Cross multiply
    161,923,619.40x = 242,885,429.10 × 80,055,133.35
  4. Step 4: Simplify right side
    161,923,619.40x = 19,444,225,415,372,468
  5. Step 5: Solve for x
    x = 19,444,225,415,372,468/161,923,619.40
  6. Step 6: Final answer
    x = 120,082,700.03

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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.