Home / 78,894,160.40-118,341,240.60-44,456,783.60

Finding the Fourth Proportional to 78,894,160.40, 118,341,240.60 and 44,456,783.60

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Solution

The fourth proportional to 78,894,160.40, 118,341,240.60 and 44,456,783.60 is: 66,685,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,894,160.40 : 118,341,240.60 = 44,456,783.60 : x
  2. Step 2: Convert to fraction form
    78,894,160.40/118,341,240.60 = 44,456,783.60/x
  3. Step 3: Cross multiply
    78,894,160.40x = 118,341,240.60 × 44,456,783.60
  4. Step 4: Simplify right side
    78,894,160.40x = 5,261,070,924,309,734
  5. Step 5: Solve for x
    x = 5,261,070,924,309,734/78,894,160.40
  6. Step 6: Final answer
    x = 66,685,175.40

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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.