Home / 65,171,971.60-97,733,074.20-19,718,659.60

Finding the Fourth Proportional to 65,171,971.60, 97,733,074.20 and 19,718,659.60

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Solution

The fourth proportional to 65,171,971.60, 97,733,074.20 and 19,718,659.60 is: 29,570,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,171,971.60 : 97,733,074.20 = 19,718,659.60 : x
  2. Step 2: Convert to fraction form
    65,171,971.60/97,733,074.20 = 19,718,659.60/x
  3. Step 3: Cross multiply
    65,171,971.60x = 97,733,074.20 × 19,718,659.60
  4. Step 4: Simplify right side
    65,171,971.60x = 1,927,165,221,811,342.50
  5. Step 5: Solve for x
    x = 1,927,165,221,811,342.50/65,171,971.60
  6. Step 6: Final answer
    x = 29,570,460.65

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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.