Home / 70,669,389.45-97,523,170.79-39,729,696.33

Finding the Fourth Proportional to 70,669,389.45, 97,523,170.79 and 39,729,696.33

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Solution

The fourth proportional to 70,669,389.45, 97,523,170.79 and 39,729,696.33 is: 54,826,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,669,389.45 : 97,523,170.79 = 39,729,696.33 : x
  2. Step 2: Convert to fraction form
    70,669,389.45/97,523,170.79 = 39,729,696.33/x
  3. Step 3: Cross multiply
    70,669,389.45x = 97,523,170.79 × 39,729,696.33
  4. Step 4: Simplify right side
    70,669,389.45x = 3,874,565,960,426,777.50
  5. Step 5: Solve for x
    x = 3,874,565,960,426,777.50/70,669,389.45
  6. Step 6: Final answer
    x = 54,826,651.12

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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.