Home / 191,817,077.16-287,601,907.67-75,244,211.89

Finding the Fourth Proportional to 191,817,077.16, 287,601,907.67 and 75,244,211.89

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Solution

The fourth proportional to 191,817,077.16, 287,601,907.67 and 75,244,211.89 is: 112,817,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,817,077.16 : 287,601,907.67 = 75,244,211.89 : x
  2. Step 2: Convert to fraction form
    191,817,077.16/287,601,907.67 = 75,244,211.89/x
  3. Step 3: Cross multiply
    191,817,077.16x = 287,601,907.67 × 75,244,211.89
  4. Step 4: Simplify right side
    191,817,077.16x = 21,640,378,879,876,636
  5. Step 5: Solve for x
    x = 21,640,378,879,876,636/191,817,077.16
  6. Step 6: Final answer
    x = 112,817,790.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.