Home / 31,127,577.40-42,644,582.33-29,963,550.12

Finding the Fourth Proportional to 31,127,577.40, 42,644,582.33 and 29,963,550.12

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Solution

The fourth proportional to 31,127,577.40, 42,644,582.33 and 29,963,550.12 is: 41,049,872.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,127,577.40 : 42,644,582.33 = 29,963,550.12 : x
  2. Step 2: Convert to fraction form
    31,127,577.40/42,644,582.33 = 29,963,550.12/x
  3. Step 3: Cross multiply
    31,127,577.40x = 42,644,582.33 × 29,963,550.12
  4. Step 4: Simplify right side
    31,127,577.40x = 1,277,783,079,991,421.25
  5. Step 5: Solve for x
    x = 1,277,783,079,991,421.25/31,127,577.40
  6. Step 6: Final answer
    x = 41,049,872.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.