Home / 228,885,685.80-343,328,528.70-203,803,420.20

Finding the Fourth Proportional to 228,885,685.80, 343,328,528.70 and 203,803,420.20

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Solution

The fourth proportional to 228,885,685.80, 343,328,528.70 and 203,803,420.20 is: 305,705,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,885,685.80 : 343,328,528.70 = 203,803,420.20 : x
  2. Step 2: Convert to fraction form
    228,885,685.80/343,328,528.70 = 203,803,420.20/x
  3. Step 3: Cross multiply
    228,885,685.80x = 343,328,528.70 × 203,803,420.20
  4. Step 4: Simplify right side
    228,885,685.80x = 69,971,528,401,293,856
  5. Step 5: Solve for x
    x = 69,971,528,401,293,856/228,885,685.80
  6. Step 6: Final answer
    x = 305,705,130.30

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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.