Home / 268,086,857.70-402,130,286.55-166,050,185.70

Finding the Fourth Proportional to 268,086,857.70, 402,130,286.55 and 166,050,185.70

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Solution

The fourth proportional to 268,086,857.70, 402,130,286.55 and 166,050,185.70 is: 249,075,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,086,857.70 : 402,130,286.55 = 166,050,185.70 : x
  2. Step 2: Convert to fraction form
    268,086,857.70/402,130,286.55 = 166,050,185.70/x
  3. Step 3: Cross multiply
    268,086,857.70x = 402,130,286.55 × 166,050,185.70
  4. Step 4: Simplify right side
    268,086,857.70x = 66,773,808,757,221,712
  5. Step 5: Solve for x
    x = 66,773,808,757,221,712/268,086,857.70
  6. Step 6: Final answer
    x = 249,075,278.55

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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.