Home / 304,511,030.56-420,225,646.98-165,281,820.76

Finding the Fourth Proportional to 304,511,030.56, 420,225,646.98 and 165,281,820.76

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Solution

The fourth proportional to 304,511,030.56, 420,225,646.98 and 165,281,820.76 is: 228,089,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,511,030.56 : 420,225,646.98 = 165,281,820.76 : x
  2. Step 2: Convert to fraction form
    304,511,030.56/420,225,646.98 = 165,281,820.76/x
  3. Step 3: Cross multiply
    304,511,030.56x = 420,225,646.98 × 165,281,820.76
  4. Step 4: Simplify right side
    304,511,030.56x = 69,455,660,062,903,392
  5. Step 5: Solve for x
    x = 69,455,660,062,903,392/304,511,030.56
  6. Step 6: Final answer
    x = 228,089,143.22

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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.