Home / 118,562,540.40-163,612,791.71-65,641,606.67

Finding the Fourth Proportional to 118,562,540.40, 163,612,791.71 and 65,641,606.67

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Solution

The fourth proportional to 118,562,540.40, 163,612,791.71 and 65,641,606.67 is: 90,583,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,562,540.40 : 163,612,791.71 = 65,641,606.67 : x
  2. Step 2: Convert to fraction form
    118,562,540.40/163,612,791.71 = 65,641,606.67/x
  3. Step 3: Cross multiply
    118,562,540.40x = 163,612,791.71 × 65,641,606.67
  4. Step 4: Simplify right side
    118,562,540.40x = 10,739,806,519,935,438
  5. Step 5: Solve for x
    x = 10,739,806,519,935,438/118,562,540.40
  6. Step 6: Final answer
    x = 90,583,471.67

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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.