Home / 208,086,941.48-287,159,879.32-124,455,070.64

Finding the Fourth Proportional to 208,086,941.48, 287,159,879.32 and 124,455,070.64

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Solution

The fourth proportional to 208,086,941.48, 287,159,879.32 and 124,455,070.64 is: 171,747,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,086,941.48 : 287,159,879.32 = 124,455,070.64 : x
  2. Step 2: Convert to fraction form
    208,086,941.48/287,159,879.32 = 124,455,070.64/x
  3. Step 3: Cross multiply
    208,086,941.48x = 287,159,879.32 × 124,455,070.64
  4. Step 4: Simplify right side
    208,086,941.48x = 35,738,503,065,744,476
  5. Step 5: Solve for x
    x = 35,738,503,065,744,476/208,086,941.48
  6. Step 6: Final answer
    x = 171,747,937.72

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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.