Home / 74,669,582.79-112,002,240.06-40,805,379.27

Finding the Fourth Proportional to 74,669,582.79, 112,002,240.06 and 40,805,379.27

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Solution

The fourth proportional to 74,669,582.79, 112,002,240.06 and 40,805,379.27 is: 61,206,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669,582.79 : 112,002,240.06 = 40,805,379.27 : x
  2. Step 2: Convert to fraction form
    74,669,582.79/112,002,240.06 = 40,805,379.27/x
  3. Step 3: Cross multiply
    74,669,582.79x = 112,002,240.06 × 40,805,379.27
  4. Step 4: Simplify right side
    74,669,582.79x = 4,570,293,884,737,888
  5. Step 5: Solve for x
    x = 4,570,293,884,737,888/74,669,582.79
  6. Step 6: Final answer
    x = 61,206,902.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.