Home / 172,981,247.34-238,713,967.10-97,643,432.94

Finding the Fourth Proportional to 172,981,247.34, 238,713,967.10 and 97,643,432.94

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Solution

The fourth proportional to 172,981,247.34, 238,713,967.10 and 97,643,432.94 is: 134,747,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,981,247.34 : 238,713,967.10 = 97,643,432.94 : x
  2. Step 2: Convert to fraction form
    172,981,247.34/238,713,967.10 = 97,643,432.94/x
  3. Step 3: Cross multiply
    172,981,247.34x = 238,713,967.10 × 97,643,432.94
  4. Step 4: Simplify right side
    172,981,247.34x = 23,308,851,237,719,148
  5. Step 5: Solve for x
    x = 23,308,851,237,719,148/172,981,247.34
  6. Step 6: Final answer
    x = 134,747,850.40

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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.