Home / 319,329,314.40-440,675,078.40-172,651,598.40

Finding the Fourth Proportional to 319,329,314.40, 440,675,078.40 and 172,651,598.40

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Solution

The fourth proportional to 319,329,314.40, 440,675,078.40 and 172,651,598.40 is: 238,259,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,329,314.40 : 440,675,078.40 = 172,651,598.40 : x
  2. Step 2: Convert to fraction form
    319,329,314.40/440,675,078.40 = 172,651,598.40/x
  3. Step 3: Cross multiply
    319,329,314.40x = 440,675,078.40 × 172,651,598.40
  4. Step 4: Simplify right side
    319,329,314.40x = 76,083,256,660,805,312
  5. Step 5: Solve for x
    x = 76,083,256,660,805,312/319,329,314.40
  6. Step 6: Final answer
    x = 238,259,543.46

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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.