Home / 75,551,830.80-113,327,746.20-69,505,213.20

Finding the Fourth Proportional to 75,551,830.80, 113,327,746.20 and 69,505,213.20

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Solution

The fourth proportional to 75,551,830.80, 113,327,746.20 and 69,505,213.20 is: 104,257,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,551,830.80 : 113,327,746.20 = 69,505,213.20 : x
  2. Step 2: Convert to fraction form
    75,551,830.80/113,327,746.20 = 69,505,213.20/x
  3. Step 3: Cross multiply
    75,551,830.80x = 113,327,746.20 × 69,505,213.20
  4. Step 4: Simplify right side
    75,551,830.80x = 7,876,869,161,106,490
  5. Step 5: Solve for x
    x = 7,876,869,161,106,490/75,551,830.80
  6. Step 6: Final answer
    x = 104,257,819.80

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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.