Home / 285,154,411-427,823,733.48-131,900,998.36

Finding the Fourth Proportional to 285,154,411, 427,823,733.48 and 131,900,998.36

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Solution

The fourth proportional to 285,154,411, 427,823,733.48 and 131,900,998.36 is: 197,894,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,154,411 : 427,823,733.48 = 131,900,998.36 : x
  2. Step 2: Convert to fraction form
    285,154,411/427,823,733.48 = 131,900,998.36/x
  3. Step 3: Cross multiply
    285,154,411x = 427,823,733.48 × 131,900,998.36
  4. Step 4: Simplify right side
    285,154,411x = 56,430,377,568,114,560
  5. Step 5: Solve for x
    x = 56,430,377,568,114,560/285,154,411
  6. Step 6: Final answer
    x = 197,894,107.16

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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.