Home / 126,607,346.76-189,884,447.64-35,709,678.12

Finding the Fourth Proportional to 126,607,346.76, 189,884,447.64 and 35,709,678.12

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Solution

The fourth proportional to 126,607,346.76, 189,884,447.64 and 35,709,678.12 is: 53,557,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,607,346.76 : 189,884,447.64 = 35,709,678.12 : x
  2. Step 2: Convert to fraction form
    126,607,346.76/189,884,447.64 = 35,709,678.12/x
  3. Step 3: Cross multiply
    126,607,346.76x = 189,884,447.64 × 35,709,678.12
  4. Step 4: Simplify right side
    126,607,346.76x = 6,780,712,505,218,393
  5. Step 5: Solve for x
    x = 6,780,712,505,218,393/126,607,346.76
  6. Step 6: Final answer
    x = 53,557,022.39

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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.