Home / 208,168,546-287,278,892.04-115,340,368.72

Finding the Fourth Proportional to 208,168,546, 287,278,892.04 and 115,340,368.72

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Solution

The fourth proportional to 208,168,546, 287,278,892.04 and 115,340,368.72 is: 159,173,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,168,546 : 287,278,892.04 = 115,340,368.72 : x
  2. Step 2: Convert to fraction form
    208,168,546/287,278,892.04 = 115,340,368.72/x
  3. Step 3: Cross multiply
    208,168,546x = 287,278,892.04 × 115,340,368.72
  4. Step 4: Simplify right side
    208,168,546x = 33,134,853,333,366,676
  5. Step 5: Solve for x
    x = 33,134,853,333,366,676/208,168,546
  6. Step 6: Final answer
    x = 159,173,198.69

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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.