Home / 245,501,887.53-368,301,343.04-90,057,139.15

Finding the Fourth Proportional to 245,501,887.53, 368,301,343.04 and 90,057,139.15

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Solution

The fourth proportional to 245,501,887.53, 368,301,343.04 and 90,057,139.15 is: 135,103,504.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,501,887.53 : 368,301,343.04 = 90,057,139.15 : x
  2. Step 2: Convert to fraction form
    245,501,887.53/368,301,343.04 = 90,057,139.15/x
  3. Step 3: Cross multiply
    245,501,887.53x = 368,301,343.04 × 90,057,139.15
  4. Step 4: Simplify right side
    245,501,887.53x = 33,168,165,299,285,168
  5. Step 5: Solve for x
    x = 33,168,165,299,285,168/245,501,887.53
  6. Step 6: Final answer
    x = 135,103,504.23

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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.