Home / 128,775,410.03-193,242,566.73-59,675,333.75

Finding the Fourth Proportional to 128,775,410.03, 193,242,566.73 and 59,675,333.75

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Solution

The fourth proportional to 128,775,410.03, 193,242,566.73 and 59,675,333.75 is: 89,549,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,775,410.03 : 193,242,566.73 = 59,675,333.75 : x
  2. Step 2: Convert to fraction form
    128,775,410.03/193,242,566.73 = 59,675,333.75/x
  3. Step 3: Cross multiply
    128,775,410.03x = 193,242,566.73 × 59,675,333.75
  4. Step 4: Simplify right side
    128,775,410.03x = 11,531,814,664,578,720
  5. Step 5: Solve for x
    x = 11,531,814,664,578,720/128,775,410.03
  6. Step 6: Final answer
    x = 89,549,819.04

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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.