Home / 206,968,994.56-310,453,492.11-84,118,529.35

Finding the Fourth Proportional to 206,968,994.56, 310,453,492.11 and 84,118,529.35

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Solution

The fourth proportional to 206,968,994.56, 310,453,492.11 and 84,118,529.35 is: 126,177,794.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,968,994.56 : 310,453,492.11 = 84,118,529.35 : x
  2. Step 2: Convert to fraction form
    206,968,994.56/310,453,492.11 = 84,118,529.35/x
  3. Step 3: Cross multiply
    206,968,994.56x = 310,453,492.11 × 84,118,529.35
  4. Step 4: Simplify right side
    206,968,994.56x = 26,114,891,187,865,028
  5. Step 5: Solve for x
    x = 26,114,891,187,865,028/206,968,994.56
  6. Step 6: Final answer
    x = 126,177,794.13

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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.