Home / 118,562,559.40-163,612,817.87-65,641,625.64

Finding the Fourth Proportional to 118,562,559.40, 163,612,817.87 and 65,641,625.64

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Solution

The fourth proportional to 118,562,559.40, 163,612,817.87 and 65,641,625.64 is: 90,583,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,562,559.40 : 163,612,817.87 = 65,641,625.64 : x
  2. Step 2: Convert to fraction form
    118,562,559.40/163,612,817.87 = 65,641,625.64/x
  3. Step 3: Cross multiply
    118,562,559.40x = 163,612,817.87 × 65,641,625.64
  4. Step 4: Simplify right side
    118,562,559.40x = 10,739,811,340,199,834
  5. Step 5: Solve for x
    x = 10,739,811,340,199,834/118,562,559.40
  6. Step 6: Final answer
    x = 90,583,497.81

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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.