Home / 257,430,717.40-386,146,076.10-236,267,555.80

Finding the Fourth Proportional to 257,430,717.40, 386,146,076.10 and 236,267,555.80

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Solution

The fourth proportional to 257,430,717.40, 386,146,076.10 and 236,267,555.80 is: 354,401,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,430,717.40 : 386,146,076.10 = 236,267,555.80 : x
  2. Step 2: Convert to fraction form
    257,430,717.40/386,146,076.10 = 236,267,555.80/x
  3. Step 3: Cross multiply
    257,430,717.40x = 386,146,076.10 × 236,267,555.80
  4. Step 4: Simplify right side
    257,430,717.40x = 91,233,789,581,907,808
  5. Step 5: Solve for x
    x = 91,233,789,581,907,808/257,430,717.40
  6. Step 6: Final answer
    x = 354,401,333.70

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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.