Home / 103,786,757-143,201,963.16-61,962,682.40

Finding the Fourth Proportional to 103,786,757, 143,201,963.16 and 61,962,682.40

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Solution

The fourth proportional to 103,786,757, 143,201,963.16 and 61,962,682.40 is: 85,494,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,786,757 : 143,201,963.16 = 61,962,682.40 : x
  2. Step 2: Convert to fraction form
    103,786,757/143,201,963.16 = 61,962,682.40/x
  3. Step 3: Cross multiply
    103,786,757x = 143,201,963.16 × 61,962,682.40
  4. Step 4: Simplify right side
    103,786,757x = 8,873,177,762,339,580
  5. Step 5: Solve for x
    x = 8,873,177,762,339,580/103,786,757
  6. Step 6: Final answer
    x = 85,494,315.64

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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.