Home / 72,409,116.20-108,613,674.30-41,798,114.60

Finding the Fourth Proportional to 72,409,116.20, 108,613,674.30 and 41,798,114.60

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Solution

The fourth proportional to 72,409,116.20, 108,613,674.30 and 41,798,114.60 is: 62,697,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,409,116.20 : 108,613,674.30 = 41,798,114.60 : x
  2. Step 2: Convert to fraction form
    72,409,116.20/108,613,674.30 = 41,798,114.60/x
  3. Step 3: Cross multiply
    72,409,116.20x = 108,613,674.30 × 41,798,114.60
  4. Step 4: Simplify right side
    72,409,116.20x = 4,539,846,805,518,475
  5. Step 5: Solve for x
    x = 4,539,846,805,518,475/72,409,116.20
  6. Step 6: Final answer
    x = 62,697,171.90

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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.