Home / 113,359,735,802.05-156,435,505,727.11-61,918,328,445.15

Finding the Fourth Proportional to 113,359,735,802.05, 156,435,505,727.11 and 61,918,328,445.15

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Solution

The fourth proportional to 113,359,735,802.05, 156,435,505,727.11 and 61,918,328,445.15 is: 85,446,785,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,359,735,802.05 : 156,435,505,727.11 = 61,918,328,445.15 : x
  2. Step 2: Convert to fraction form
    113,359,735,802.05/156,435,505,727.11 = 61,918,328,445.15/x
  3. Step 3: Cross multiply
    113,359,735,802.05x = 156,435,505,727.11 × 61,918,328,445.15
  4. Step 4: Simplify right side
    113,359,735,802.05x = 9,686,225,024,093,557,620,736
  5. Step 5: Solve for x
    x = 9,686,225,024,093,557,620,736/113,359,735,802.05
  6. Step 6: Final answer
    x = 85,446,785,453.06

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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.