Home / 261,360,666.60-392,040,999.90-248,606,082.60

Finding the Fourth Proportional to 261,360,666.60, 392,040,999.90 and 248,606,082.60

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Solution

The fourth proportional to 261,360,666.60, 392,040,999.90 and 248,606,082.60 is: 372,909,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,360,666.60 : 392,040,999.90 = 248,606,082.60 : x
  2. Step 2: Convert to fraction form
    261,360,666.60/392,040,999.90 = 248,606,082.60/x
  3. Step 3: Cross multiply
    261,360,666.60x = 392,040,999.90 × 248,606,082.60
  4. Step 4: Simplify right side
    261,360,666.60x = 97,463,777,203,725,984
  5. Step 5: Solve for x
    x = 97,463,777,203,725,984/261,360,666.60
  6. Step 6: Final answer
    x = 372,909,123.90

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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.