Home / 200,478,272.35-276,655,077.75-111,169,723.01

Finding the Fourth Proportional to 200,478,272.35, 276,655,077.75 and 111,169,723.01

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Solution

The fourth proportional to 200,478,272.35, 276,655,077.75 and 111,169,723.01 is: 153,411,479.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,478,272.35 : 276,655,077.75 = 111,169,723.01 : x
  2. Step 2: Convert to fraction form
    200,478,272.35/276,655,077.75 = 111,169,723.01/x
  3. Step 3: Cross multiply
    200,478,272.35x = 276,655,077.75 × 111,169,723.01
  4. Step 4: Simplify right side
    200,478,272.35x = 30,755,668,362,777,516
  5. Step 5: Solve for x
    x = 30,755,668,362,777,516/200,478,272.35
  6. Step 6: Final answer
    x = 153,411,479.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.