Home / 208,180,893,858.60-287,183,902,230.96-135,965,230,433.38

Finding the Fourth Proportional to 208,180,893,858.60, 287,183,902,230.96 and 135,965,230,433.38

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Solution

The fourth proportional to 208,180,893,858.60, 287,183,902,230.96 and 135,965,230,433.38 is: 187,562,963,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,180,893,858.60 : 287,183,902,230.96 = 135,965,230,433.38 : x
  2. Step 2: Convert to fraction form
    208,180,893,858.60/287,183,902,230.96 = 135,965,230,433.38/x
  3. Step 3: Cross multiply
    208,180,893,858.60x = 287,183,902,230.96 × 135,965,230,433.38
  4. Step 4: Simplify right side
    208,180,893,858.60x = 39,047,025,443,589,756,813,312
  5. Step 5: Solve for x
    x = 39,047,025,443,589,756,813,312/208,180,893,858.60
  6. Step 6: Final answer
    x = 187,562,963,727.65

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1.5x scale

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.