Home / 228,782,384.90-311,495,949.77-228,055,971.48

Finding the Fourth Proportional to 228,782,384.90, 311,495,949.77 and 228,055,971.48

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Solution

The fourth proportional to 228,782,384.90, 311,495,949.77 and 228,055,971.48 is: 310,506,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,782,384.90 : 311,495,949.77 = 228,055,971.48 : x
  2. Step 2: Convert to fraction form
    228,782,384.90/311,495,949.77 = 228,055,971.48/x
  3. Step 3: Cross multiply
    228,782,384.90x = 311,495,949.77 × 228,055,971.48
  4. Step 4: Simplify right side
    228,782,384.90x = 71,038,511,437,452,768
  5. Step 5: Solve for x
    x = 71,038,511,437,452,768/228,782,384.90
  6. Step 6: Final answer
    x = 310,506,910.18

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.