Home / 191,539,496,834.44-287,309,521,769.20-78,219,222,853.34

Finding the Fourth Proportional to 191,539,496,834.44, 287,309,521,769.20 and 78,219,222,853.34

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Solution

The fourth proportional to 191,539,496,834.44, 287,309,521,769.20 and 78,219,222,853.34 is: 117,328,947,201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,539,496,834.44 : 287,309,521,769.20 = 78,219,222,853.34 : x
  2. Step 2: Convert to fraction form
    191,539,496,834.44/287,309,521,769.20 = 78,219,222,853.34/x
  3. Step 3: Cross multiply
    191,539,496,834.44x = 287,309,521,769.20 × 78,219,222,853.34
  4. Step 4: Simplify right side
    191,539,496,834.44x = 22,473,127,511,151,595,225,088
  5. Step 5: Solve for x
    x = 22,473,127,511,151,595,225,088/191,539,496,834.44
  6. Step 6: Final answer
    x = 117,328,947,201.82

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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.