Home / 126,388,736.99-174,421,843.62-70,634,155.76

Finding the Fourth Proportional to 126,388,736.99, 174,421,843.62 and 70,634,155.76

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Solution

The fourth proportional to 126,388,736.99, 174,421,843.62 and 70,634,155.76 is: 97,478,145.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,388,736.99 : 174,421,843.62 = 70,634,155.76 : x
  2. Step 2: Convert to fraction form
    126,388,736.99/174,421,843.62 = 70,634,155.76/x
  3. Step 3: Cross multiply
    126,388,736.99x = 174,421,843.62 × 70,634,155.76
  4. Step 4: Simplify right side
    126,388,736.99x = 12,320,139,670,201,444
  5. Step 5: Solve for x
    x = 12,320,139,670,201,444/126,388,736.99
  6. Step 6: Final answer
    x = 97,478,145.31

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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.