Home / 257,130,560.18-385,798,042.76-82,280,534.56

Finding the Fourth Proportional to 257,130,560.18, 385,798,042.76 and 82,280,534.56

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Solution

The fourth proportional to 257,130,560.18, 385,798,042.76 and 82,280,534.56 is: 123,453,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,130,560.18 : 385,798,042.76 = 82,280,534.56 : x
  2. Step 2: Convert to fraction form
    257,130,560.18/385,798,042.76 = 82,280,534.56/x
  3. Step 3: Cross multiply
    257,130,560.18x = 385,798,042.76 × 82,280,534.56
  4. Step 4: Simplify right side
    257,130,560.18x = 31,743,669,189,735,744
  5. Step 5: Solve for x
    x = 31,743,669,189,735,744/257,130,560.18
  6. Step 6: Final answer
    x = 123,453,506.14

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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.