Home / 51,284,820.21-70,773,038.06-28,079,940.21

Finding the Fourth Proportional to 51,284,820.21, 70,773,038.06 and 28,079,940.21

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Solution

The fourth proportional to 51,284,820.21, 70,773,038.06 and 28,079,940.21 is: 38,750,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,284,820.21 : 70,773,038.06 = 28,079,940.21 : x
  2. Step 2: Convert to fraction form
    51,284,820.21/70,773,038.06 = 28,079,940.21/x
  3. Step 3: Cross multiply
    51,284,820.21x = 70,773,038.06 × 28,079,940.21
  4. Step 4: Simplify right side
    51,284,820.21x = 1,987,302,677,064,455
  5. Step 5: Solve for x
    x = 1,987,302,677,064,455/51,284,820.21
  6. Step 6: Final answer
    x = 38,750,309.91

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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.