Home / 257,430,010.20-386,145,015.30-229,212,461.40

Finding the Fourth Proportional to 257,430,010.20, 386,145,015.30 and 229,212,461.40

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Solution

The fourth proportional to 257,430,010.20, 386,145,015.30 and 229,212,461.40 is: 343,818,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,430,010.20 : 386,145,015.30 = 229,212,461.40 : x
  2. Step 2: Convert to fraction form
    257,430,010.20/386,145,015.30 = 229,212,461.40/x
  3. Step 3: Cross multiply
    257,430,010.20x = 386,145,015.30 × 229,212,461.40
  4. Step 4: Simplify right side
    257,430,010.20x = 88,509,249,414,253,664
  5. Step 5: Solve for x
    x = 88,509,249,414,253,664/257,430,010.20
  6. Step 6: Final answer
    x = 343,818,692.10

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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.