Home / 216,482,578.03-298,778,304.28-170,419,459.15

Finding the Fourth Proportional to 216,482,578.03, 298,778,304.28 and 170,419,459.15

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Solution

The fourth proportional to 216,482,578.03, 298,778,304.28 and 170,419,459.15 is: 235,204,317.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,482,578.03 : 298,778,304.28 = 170,419,459.15 : x
  2. Step 2: Convert to fraction form
    216,482,578.03/298,778,304.28 = 170,419,459.15/x
  3. Step 3: Cross multiply
    216,482,578.03x = 298,778,304.28 × 170,419,459.15
  4. Step 4: Simplify right side
    216,482,578.03x = 50,917,637,019,657,840
  5. Step 5: Solve for x
    x = 50,917,637,019,657,840/216,482,578.03
  6. Step 6: Final answer
    x = 235,204,317.52

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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.