Home / 406,944,415.20-610,453,947.60-134,315,781.60

Finding the Fourth Proportional to 406,944,415.20, 610,453,947.60 and 134,315,781.60

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Solution

The fourth proportional to 406,944,415.20, 610,453,947.60 and 134,315,781.60 is: 201,485,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,944,415.20 : 610,453,947.60 = 134,315,781.60 : x
  2. Step 2: Convert to fraction form
    406,944,415.20/610,453,947.60 = 134,315,781.60/x
  3. Step 3: Cross multiply
    406,944,415.20x = 610,453,947.60 × 134,315,781.60
  4. Step 4: Simplify right side
    406,944,415.20x = 81,993,599,102,699,440
  5. Step 5: Solve for x
    x = 81,993,599,102,699,440/406,944,415.20
  6. Step 6: Final answer
    x = 201,485,991.80

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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.