Home / 51,261,447.42-70,733,187.63-31,133,971.41

Finding the Fourth Proportional to 51,261,447.42, 70,733,187.63 and 31,133,971.41

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Solution

The fourth proportional to 51,261,447.42, 70,733,187.63 and 31,133,971.41 is: 42,960,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,261,447.42 : 70,733,187.63 = 31,133,971.41 : x
  2. Step 2: Convert to fraction form
    51,261,447.42/70,733,187.63 = 31,133,971.41/x
  3. Step 3: Cross multiply
    51,261,447.42x = 70,733,187.63 × 31,133,971.41
  4. Step 4: Simplify right side
    51,261,447.42x = 2,202,205,041,410,585.50
  5. Step 5: Solve for x
    x = 2,202,205,041,410,585.50/51,261,447.42
  6. Step 6: Final answer
    x = 42,960,258.68

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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.