Home / 71,387,514.31-98,507,353.82-42,017,095.30

Finding the Fourth Proportional to 71,387,514.31, 98,507,353.82 and 42,017,095.30

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Solution

The fourth proportional to 71,387,514.31, 98,507,353.82 and 42,017,095.30 is: 57,979,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,387,514.31 : 98,507,353.82 = 42,017,095.30 : x
  2. Step 2: Convert to fraction form
    71,387,514.31/98,507,353.82 = 42,017,095.30/x
  3. Step 3: Cross multiply
    71,387,514.31x = 98,507,353.82 × 42,017,095.30
  4. Step 4: Simplify right side
    71,387,514.31x = 4,138,992,872,893,450
  5. Step 5: Solve for x
    x = 4,138,992,872,893,450/71,387,514.31
  6. Step 6: Final answer
    x = 57,979,226.66

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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.