Home / 122,168,050,578.36-168,589,265,983.56-70,728,779,352.24

Finding the Fourth Proportional to 122,168,050,578.36, 168,589,265,983.56 and 70,728,779,352.24

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Solution

The fourth proportional to 122,168,050,578.36, 168,589,265,983.56 and 70,728,779,352.24 is: 97,604,184,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,168,050,578.36 : 168,589,265,983.56 = 70,728,779,352.24 : x
  2. Step 2: Convert to fraction form
    122,168,050,578.36/168,589,265,983.56 = 70,728,779,352.24/x
  3. Step 3: Cross multiply
    122,168,050,578.36x = 168,589,265,983.56 × 70,728,779,352.24
  4. Step 4: Simplify right side
    122,168,050,578.36x = 11,924,112,994,907,317,075,968
  5. Step 5: Solve for x
    x = 11,924,112,994,907,317,075,968/122,168,050,578.36
  6. Step 6: Final answer
    x = 97,604,184,878.59

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1.5x scale

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.