Home / 145,087,736.48-200,205,829.68-82,343,879.36

Finding the Fourth Proportional to 145,087,736.48, 200,205,829.68 and 82,343,879.36

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Solution

The fourth proportional to 145,087,736.48, 200,205,829.68 and 82,343,879.36 is: 113,625,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,087,736.48 : 200,205,829.68 = 82,343,879.36 : x
  2. Step 2: Convert to fraction form
    145,087,736.48/200,205,829.68 = 82,343,879.36/x
  3. Step 3: Cross multiply
    145,087,736.48x = 200,205,829.68 × 82,343,879.36
  4. Step 4: Simplify right side
    145,087,736.48x = 16,485,724,686,338,628
  5. Step 5: Solve for x
    x = 16,485,724,686,338,628/145,087,736.48
  6. Step 6: Final answer
    x = 113,625,900.34

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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.