Home / 78,330,615.26-108,098,840.71-43,049,670.92

Finding the Fourth Proportional to 78,330,615.26, 108,098,840.71 and 43,049,670.92

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Solution

The fourth proportional to 78,330,615.26, 108,098,840.71 and 43,049,670.92 is: 59,409,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,330,615.26 : 108,098,840.71 = 43,049,670.92 : x
  2. Step 2: Convert to fraction form
    78,330,615.26/108,098,840.71 = 43,049,670.92/x
  3. Step 3: Cross multiply
    78,330,615.26x = 108,098,840.71 × 43,049,670.92
  4. Step 4: Simplify right side
    78,330,615.26x = 4,653,619,519,209,606
  5. Step 5: Solve for x
    x = 4,653,619,519,209,606/78,330,615.26
  6. Step 6: Final answer
    x = 59,409,970.21

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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.