Home / 78,733,986.60-118,100,979.90-24,881,298.60

Finding the Fourth Proportional to 78,733,986.60, 118,100,979.90 and 24,881,298.60

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Solution

The fourth proportional to 78,733,986.60, 118,100,979.90 and 24,881,298.60 is: 37,321,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,733,986.60 : 118,100,979.90 = 24,881,298.60 : x
  2. Step 2: Convert to fraction form
    78,733,986.60/118,100,979.90 = 24,881,298.60/x
  3. Step 3: Cross multiply
    78,733,986.60x = 118,100,979.90 × 24,881,298.60
  4. Step 4: Simplify right side
    78,733,986.60x = 2,938,505,745,844,498.50
  5. Step 5: Solve for x
    x = 2,938,505,745,844,498.50/78,733,986.60
  6. Step 6: Final answer
    x = 37,321,947.90

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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.