Home / 78,725,116.60-118,087,674.90-44,287,739.80

Finding the Fourth Proportional to 78,725,116.60, 118,087,674.90 and 44,287,739.80

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Solution

The fourth proportional to 78,725,116.60, 118,087,674.90 and 44,287,739.80 is: 66,431,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,725,116.60 : 118,087,674.90 = 44,287,739.80 : x
  2. Step 2: Convert to fraction form
    78,725,116.60/118,087,674.90 = 44,287,739.80/x
  3. Step 3: Cross multiply
    78,725,116.60x = 118,087,674.90 × 44,287,739.80
  4. Step 4: Simplify right side
    78,725,116.60x = 5,229,836,219,558,191
  5. Step 5: Solve for x
    x = 5,229,836,219,558,191/78,725,116.60
  6. Step 6: Final answer
    x = 66,431,609.70

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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.