Home / 191,705,511.15-287,558,266.73-168,029,814.60

Finding the Fourth Proportional to 191,705,511.15, 287,558,266.73 and 168,029,814.60

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Solution

The fourth proportional to 191,705,511.15, 287,558,266.73 and 168,029,814.60 is: 252,044,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,705,511.15 : 287,558,266.73 = 168,029,814.60 : x
  2. Step 2: Convert to fraction form
    191,705,511.15/287,558,266.73 = 168,029,814.60/x
  3. Step 3: Cross multiply
    191,705,511.15x = 287,558,266.73 × 168,029,814.60
  4. Step 4: Simplify right side
    191,705,511.15x = 48,318,362,244,499,104
  5. Step 5: Solve for x
    x = 48,318,362,244,499,104/191,705,511.15
  6. Step 6: Final answer
    x = 252,044,721.90

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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.