Home / 245,501,887.55-368,301,343.09-90,057,139.18

Finding the Fourth Proportional to 245,501,887.55, 368,301,343.09 and 90,057,139.18

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Solution

The fourth proportional to 245,501,887.55, 368,301,343.09 and 90,057,139.18 is: 135,103,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,501,887.55 : 368,301,343.09 = 90,057,139.18 : x
  2. Step 2: Convert to fraction form
    245,501,887.55/368,301,343.09 = 90,057,139.18/x
  3. Step 3: Cross multiply
    245,501,887.55x = 368,301,343.09 × 90,057,139.18
  4. Step 4: Simplify right side
    245,501,887.55x = 33,168,165,315,678,576
  5. Step 5: Solve for x
    x = 33,168,165,315,678,576/245,501,887.55
  6. Step 6: Final answer
    x = 135,103,504.28

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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.