Home / 161,923,621.40-242,885,432.10-80,055,135.35

Finding the Fourth Proportional to 161,923,621.40, 242,885,432.10 and 80,055,135.35

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Solution

The fourth proportional to 161,923,621.40, 242,885,432.10 and 80,055,135.35 is: 120,082,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,923,621.40 : 242,885,432.10 = 80,055,135.35 : x
  2. Step 2: Convert to fraction form
    161,923,621.40/242,885,432.10 = 80,055,135.35/x
  3. Step 3: Cross multiply
    161,923,621.40x = 242,885,432.10 × 80,055,135.35
  4. Step 4: Simplify right side
    161,923,621.40x = 19,444,226,141,308,732
  5. Step 5: Solve for x
    x = 19,444,226,141,308,732/161,923,621.40
  6. Step 6: Final answer
    x = 120,082,703.03

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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.