Home / 208,500,392.76-287,659,273.50-119,128,211.16

Finding the Fourth Proportional to 208,500,392.76, 287,659,273.50 and 119,128,211.16

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Solution

The fourth proportional to 208,500,392.76, 287,659,273.50 and 119,128,211.16 is: 164,356,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,500,392.76 : 287,659,273.50 = 119,128,211.16 : x
  2. Step 2: Convert to fraction form
    208,500,392.76/287,659,273.50 = 119,128,211.16/x
  3. Step 3: Cross multiply
    208,500,392.76x = 287,659,273.50 × 119,128,211.16
  4. Step 4: Simplify right side
    208,500,392.76x = 34,268,334,675,640,192
  5. Step 5: Solve for x
    x = 34,268,334,675,640,192/208,500,392.76
  6. Step 6: Final answer
    x = 164,356,211.62

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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.