Home / 204,681,918.96-307,054,622.17-86,507,177.22

Finding the Fourth Proportional to 204,681,918.96, 307,054,622.17 and 86,507,177.22

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Solution

The fourth proportional to 204,681,918.96, 307,054,622.17 and 86,507,177.22 is: 129,774,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,681,918.96 : 307,054,622.17 = 86,507,177.22 : x
  2. Step 2: Convert to fraction form
    204,681,918.96/307,054,622.17 = 86,507,177.22/x
  3. Step 3: Cross multiply
    204,681,918.96x = 307,054,622.17 × 86,507,177.22
  4. Step 4: Simplify right side
    204,681,918.96x = 26,562,428,616,280,332
  5. Step 5: Solve for x
    x = 26,562,428,616,280,332/204,681,918.96
  6. Step 6: Final answer
    x = 129,774,182.06

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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.