Home / 290,903,647.56-401,455,511.57-158,753,156.10

Finding the Fourth Proportional to 290,903,647.56, 401,455,511.57 and 158,753,156.10

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Solution

The fourth proportional to 290,903,647.56, 401,455,511.57 and 158,753,156.10 is: 219,083,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,903,647.56 : 401,455,511.57 = 158,753,156.10 : x
  2. Step 2: Convert to fraction form
    290,903,647.56/401,455,511.57 = 158,753,156.10/x
  3. Step 3: Cross multiply
    290,903,647.56x = 401,455,511.57 × 158,753,156.10
  4. Step 4: Simplify right side
    290,903,647.56x = 63,732,329,495,477,560
  5. Step 5: Solve for x
    x = 63,732,329,495,477,560/290,903,647.56
  6. Step 6: Final answer
    x = 219,083,982.03

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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.