Home / 215,264,255.79-297,156,497.28-144,740,743.38

Finding the Fourth Proportional to 215,264,255.79, 297,156,497.28 and 144,740,743.38

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Solution

The fourth proportional to 215,264,255.79, 297,156,497.28 and 144,740,743.38 is: 199,803,967.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,264,255.79 : 297,156,497.28 = 144,740,743.38 : x
  2. Step 2: Convert to fraction form
    215,264,255.79/297,156,497.28 = 144,740,743.38/x
  3. Step 3: Cross multiply
    215,264,255.79x = 297,156,497.28 × 144,740,743.38
  4. Step 4: Simplify right side
    215,264,255.79x = 43,010,652,316,504,144
  5. Step 5: Solve for x
    x = 43,010,652,316,504,144/215,264,255.79
  6. Step 6: Final answer
    x = 199,803,967.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.