Home / 54,669,521.12-75,462,937.80-31,473,892.40

Finding the Fourth Proportional to 54,669,521.12, 75,462,937.80 and 31,473,892.40

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Solution

The fourth proportional to 54,669,521.12, 75,462,937.80 and 31,473,892.40 is: 43,444,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669,521.12 : 75,462,937.80 = 31,473,892.40 : x
  2. Step 2: Convert to fraction form
    54,669,521.12/75,462,937.80 = 31,473,892.40/x
  3. Step 3: Cross multiply
    54,669,521.12x = 75,462,937.80 × 31,473,892.40
  4. Step 4: Simplify right side
    54,669,521.12x = 2,375,112,384,505,092.50
  5. Step 5: Solve for x
    x = 2,375,112,384,505,092.50/54,669,521.12
  6. Step 6: Final answer
    x = 43,444,909.26

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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.