Home / 72,051,513.20-108,083,913.80-23,529,621.30

Finding the Fourth Proportional to 72,051,513.20, 108,083,913.80 and 23,529,621.30

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Solution

The fourth proportional to 72,051,513.20, 108,083,913.80 and 23,529,621.30 is: 35,296,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,051,513.20 : 108,083,913.80 = 23,529,621.30 : x
  2. Step 2: Convert to fraction form
    72,051,513.20/108,083,913.80 = 23,529,621.30/x
  3. Step 3: Cross multiply
    72,051,513.20x = 108,083,913.80 × 23,529,621.30
  4. Step 4: Simplify right side
    72,051,513.20x = 2,543,173,559,812,881.50
  5. Step 5: Solve for x
    x = 2,543,173,559,812,881.50/72,051,513.20
  6. Step 6: Final answer
    x = 35,296,601.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.