Home / 78,672,619,353.60-118,008,929,030.40-55,117,453,622.40

Finding the Fourth Proportional to 78,672,619,353.60, 118,008,929,030.40 and 55,117,453,622.40

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Solution

The fourth proportional to 78,672,619,353.60, 118,008,929,030.40 and 55,117,453,622.40 is: 82,676,180,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,672,619,353.60 : 118,008,929,030.40 = 55,117,453,622.40 : x
  2. Step 2: Convert to fraction form
    78,672,619,353.60/118,008,929,030.40 = 55,117,453,622.40/x
  3. Step 3: Cross multiply
    78,672,619,353.60x = 118,008,929,030.40 × 55,117,453,622.40
  4. Step 4: Simplify right side
    78,672,619,353.60x = 6,504,351,672,862,165,172,224
  5. Step 5: Solve for x
    x = 6,504,351,672,862,165,172,224/78,672,619,353.60
  6. Step 6: Final answer
    x = 82,676,180,433.60

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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.