Home / 209,021,280.24-288,433,026.99-116,196,135.60

Finding the Fourth Proportional to 209,021,280.24, 288,433,026.99 and 116,196,135.60

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Solution

The fourth proportional to 209,021,280.24, 288,433,026.99 and 116,196,135.60 is: 160,341,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,021,280.24 : 288,433,026.99 = 116,196,135.60 : x
  2. Step 2: Convert to fraction form
    209,021,280.24/288,433,026.99 = 116,196,135.60/x
  3. Step 3: Cross multiply
    209,021,280.24x = 288,433,026.99 × 116,196,135.60
  4. Step 4: Simplify right side
    209,021,280.24x = 33,514,803,115,648,500
  5. Step 5: Solve for x
    x = 33,514,803,115,648,500/209,021,280.24
  6. Step 6: Final answer
    x = 160,341,583.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.