Home / 55,235,806.23-76,258,071.27-49,107,274.50

Finding the Fourth Proportional to 55,235,806.23, 76,258,071.27 and 49,107,274.50

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Solution

The fourth proportional to 55,235,806.23, 76,258,071.27 and 49,107,274.50 is: 67,797,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,235,806.23 : 76,258,071.27 = 49,107,274.50 : x
  2. Step 2: Convert to fraction form
    55,235,806.23/76,258,071.27 = 49,107,274.50/x
  3. Step 3: Cross multiply
    55,235,806.23x = 76,258,071.27 × 49,107,274.50
  4. Step 4: Simplify right side
    55,235,806.23x = 3,744,826,038,696,453.50
  5. Step 5: Solve for x
    x = 3,744,826,038,696,453.50/55,235,806.23
  6. Step 6: Final answer
    x = 67,797,073.93

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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.