Home / 85,356,666.08-128,035,195.94-49,201,357.04

Finding the Fourth Proportional to 85,356,666.08, 128,035,195.94 and 49,201,357.04

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Solution

The fourth proportional to 85,356,666.08, 128,035,195.94 and 49,201,357.04 is: 73,802,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,356,666.08 : 128,035,195.94 = 49,201,357.04 : x
  2. Step 2: Convert to fraction form
    85,356,666.08/128,035,195.94 = 49,201,357.04/x
  3. Step 3: Cross multiply
    85,356,666.08x = 128,035,195.94 × 49,201,357.04
  4. Step 4: Simplify right side
    85,356,666.08x = 6,299,505,389,130,298
  5. Step 5: Solve for x
    x = 6,299,505,389,130,298/85,356,666.08
  6. Step 6: Final answer
    x = 73,802,149.01

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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.