Home / 304,238,771.63-419,859,008.78-172,077,182.02

Finding the Fourth Proportional to 304,238,771.63, 419,859,008.78 and 172,077,182.02

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Solution

The fourth proportional to 304,238,771.63, 419,859,008.78 and 172,077,182.02 is: 237,471,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,238,771.63 : 419,859,008.78 = 172,077,182.02 : x
  2. Step 2: Convert to fraction form
    304,238,771.63/419,859,008.78 = 172,077,182.02/x
  3. Step 3: Cross multiply
    304,238,771.63x = 419,859,008.78 × 172,077,182.02
  4. Step 4: Simplify right side
    304,238,771.63x = 72,248,155,076,572,832
  5. Step 5: Solve for x
    x = 72,248,155,076,572,832/304,238,771.63
  6. Step 6: Final answer
    x = 237,471,886.60

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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.