Home / 304,501,931.72-420,211,606.20-165,272,693.12

Finding the Fourth Proportional to 304,501,931.72, 420,211,606.20 and 165,272,693.12

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Solution

The fourth proportional to 304,501,931.72, 420,211,606.20 and 165,272,693.12 is: 228,075,741.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,501,931.72 : 420,211,606.20 = 165,272,693.12 : x
  2. Step 2: Convert to fraction form
    304,501,931.72/420,211,606.20 = 165,272,693.12/x
  3. Step 3: Cross multiply
    304,501,931.72x = 420,211,606.20 × 165,272,693.12
  4. Step 4: Simplify right side
    304,501,931.72x = 69,449,503,836,954,888
  5. Step 5: Solve for x
    x = 69,449,503,836,954,888/304,501,931.72
  6. Step 6: Final answer
    x = 228,075,741.41

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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.