Home / 268,086,679.70-402,130,019.55-166,050,007.70

Finding the Fourth Proportional to 268,086,679.70, 402,130,019.55 and 166,050,007.70

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Solution

The fourth proportional to 268,086,679.70, 402,130,019.55 and 166,050,007.70 is: 249,075,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,086,679.70 : 402,130,019.55 = 166,050,007.70 : x
  2. Step 2: Convert to fraction form
    268,086,679.70/402,130,019.55 = 166,050,007.70/x
  3. Step 3: Cross multiply
    268,086,679.70x = 402,130,019.55 × 166,050,007.70
  4. Step 4: Simplify right side
    268,086,679.70x = 66,773,692,842,678,648
  5. Step 5: Solve for x
    x = 66,773,692,842,678,648/268,086,679.70
  6. Step 6: Final answer
    x = 249,075,011.55

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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.