Home / 74,917,684-112,376,569.74-21,064,996

Finding the Fourth Proportional to 74,917,684, 112,376,569.74 and 21,064,996

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Solution

The fourth proportional to 74,917,684, 112,376,569.74 and 21,064,996 is: 31,597,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,917,684 : 112,376,569.74 = 21,064,996 : x
  2. Step 2: Convert to fraction form
    74,917,684/112,376,569.74 = 21,064,996/x
  3. Step 3: Cross multiply
    74,917,684x = 112,376,569.74 × 21,064,996
  4. Step 4: Simplify right side
    74,917,684x = 2,367,211,992,066,821
  5. Step 5: Solve for x
    x = 2,367,211,992,066,821/74,917,684
  6. Step 6: Final answer
    x = 31,597,506.30

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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.