Home / 85,488,395,701.50-117,924,971,509.56-53,317,905,927.24

Finding the Fourth Proportional to 85,488,395,701.50, 117,924,971,509.56 and 53,317,905,927.24

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Solution

The fourth proportional to 85,488,395,701.50, 117,924,971,509.56 and 53,317,905,927.24 is: 73,548,140,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,488,395,701.50 : 117,924,971,509.56 = 53,317,905,927.24 : x
  2. Step 2: Convert to fraction form
    85,488,395,701.50/117,924,971,509.56 = 53,317,905,927.24/x
  3. Step 3: Cross multiply
    85,488,395,701.50x = 117,924,971,509.56 × 53,317,905,927.24
  4. Step 4: Simplify right side
    85,488,395,701.50x = 6,287,512,537,419,177,000,960
  5. Step 5: Solve for x
    x = 6,287,512,537,419,177,000,960/85,488,395,701.50
  6. Step 6: Final answer
    x = 73,548,140,491.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.