Home / 140,341,715.82-193,731,200.99-87,444,558.43

Finding the Fourth Proportional to 140,341,715.82, 193,731,200.99 and 87,444,558.43

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Solution

The fourth proportional to 140,341,715.82, 193,731,200.99 and 87,444,558.43 is: 120,710,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,341,715.82 : 193,731,200.99 = 87,444,558.43 : x
  2. Step 2: Convert to fraction form
    140,341,715.82/193,731,200.99 = 87,444,558.43/x
  3. Step 3: Cross multiply
    140,341,715.82x = 193,731,200.99 × 87,444,558.43
  4. Step 4: Simplify right side
    140,341,715.82x = 16,940,739,323,496,862
  5. Step 5: Solve for x
    x = 16,940,739,323,496,862/140,341,715.82
  6. Step 6: Final answer
    x = 120,710,647.05

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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.