Home / 304,929,172.51-420,808,487.48-165,708,902.59

Finding the Fourth Proportional to 304,929,172.51, 420,808,487.48 and 165,708,902.59

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Solution

The fourth proportional to 304,929,172.51, 420,808,487.48 and 165,708,902.59 is: 228,681,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,929,172.51 : 420,808,487.48 = 165,708,902.59 : x
  2. Step 2: Convert to fraction form
    304,929,172.51/420,808,487.48 = 165,708,902.59/x
  3. Step 3: Cross multiply
    304,929,172.51x = 420,808,487.48 × 165,708,902.59
  4. Step 4: Simplify right side
    304,929,172.51x = 69,731,712,660,040,016
  5. Step 5: Solve for x
    x = 69,731,712,660,040,016/304,929,172.51
  6. Step 6: Final answer
    x = 228,681,670.85

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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.