Home / 78,894,136.40-118,341,204.60-44,456,759.60

Finding the Fourth Proportional to 78,894,136.40, 118,341,204.60 and 44,456,759.60

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Solution

The fourth proportional to 78,894,136.40, 118,341,204.60 and 44,456,759.60 is: 66,685,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,894,136.40 : 118,341,204.60 = 44,456,759.60 : x
  2. Step 2: Convert to fraction form
    78,894,136.40/118,341,204.60 = 44,456,759.60/x
  3. Step 3: Cross multiply
    78,894,136.40x = 118,341,204.60 × 44,456,759.60
  4. Step 4: Simplify right side
    78,894,136.40x = 5,261,066,483,676,614
  5. Step 5: Solve for x
    x = 5,261,066,483,676,614/78,894,136.40
  6. Step 6: Final answer
    x = 66,685,139.40

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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.