Home / 304,501,923.72-420,211,595.16-165,272,685.12

Finding the Fourth Proportional to 304,501,923.72, 420,211,595.16 and 165,272,685.12

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Solution

The fourth proportional to 304,501,923.72, 420,211,595.16 and 165,272,685.12 is: 228,075,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,501,923.72 : 420,211,595.16 = 165,272,685.12 : x
  2. Step 2: Convert to fraction form
    304,501,923.72/420,211,595.16 = 165,272,685.12/x
  3. Step 3: Cross multiply
    304,501,923.72x = 420,211,595.16 × 165,272,685.12
  4. Step 4: Simplify right side
    304,501,923.72x = 69,449,498,650,651,600
  5. Step 5: Solve for x
    x = 69,449,498,650,651,600/304,501,923.72
  6. Step 6: Final answer
    x = 228,075,730.37

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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.