Home / 304,910,771.12-420,779,526.24-165,681,529.52

Finding the Fourth Proportional to 304,910,771.12, 420,779,526.24 and 165,681,529.52

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Solution

The fourth proportional to 304,910,771.12, 420,779,526.24 and 165,681,529.52 is: 228,641,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,910,771.12 : 420,779,526.24 = 165,681,529.52 : x
  2. Step 2: Convert to fraction form
    304,910,771.12/420,779,526.24 = 165,681,529.52/x
  3. Step 3: Cross multiply
    304,910,771.12x = 420,779,526.24 × 165,681,529.52
  4. Step 4: Simplify right side
    304,910,771.12x = 69,715,395,498,144,184
  5. Step 5: Solve for x
    x = 69,715,395,498,144,184/304,910,771.12
  6. Step 6: Final answer
    x = 228,641,957.26

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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.