Home / 78,894,006.40-118,341,009.60-44,456,629.60

Finding the Fourth Proportional to 78,894,006.40, 118,341,009.60 and 44,456,629.60

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Solution

The fourth proportional to 78,894,006.40, 118,341,009.60 and 44,456,629.60 is: 66,684,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,894,006.40 : 118,341,009.60 = 44,456,629.60 : x
  2. Step 2: Convert to fraction form
    78,894,006.40/118,341,009.60 = 44,456,629.60/x
  3. Step 3: Cross multiply
    78,894,006.40x = 118,341,009.60 × 44,456,629.60
  4. Step 4: Simplify right side
    78,894,006.40x = 5,261,042,430,277,244
  5. Step 5: Solve for x
    x = 5,261,042,430,277,244/78,894,006.40
  6. Step 6: Final answer
    x = 66,684,944.40

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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.