Home / 120,854,792.72-181,153,104.23-68,927,597.84

Finding the Fourth Proportional to 120,854,792.72, 181,153,104.23 and 68,927,597.84

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Solution

The fourth proportional to 120,854,792.72, 181,153,104.23 and 68,927,597.84 is: 103,317,775.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,854,792.72 : 181,153,104.23 = 68,927,597.84 : x
  2. Step 2: Convert to fraction form
    120,854,792.72/181,153,104.23 = 68,927,597.84/x
  3. Step 3: Cross multiply
    120,854,792.72x = 181,153,104.23 × 68,927,597.84
  4. Step 4: Simplify right side
    120,854,792.72x = 12,486,448,314,582,638
  5. Step 5: Solve for x
    x = 12,486,448,314,582,638/120,854,792.72
  6. Step 6: Final answer
    x = 103,317,775.27

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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.