Home / 112,320,936.28-155,008,879.64-62,762,513.04

Finding the Fourth Proportional to 112,320,936.28, 155,008,879.64 and 62,762,513.04

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Solution

The fourth proportional to 112,320,936.28, 155,008,879.64 and 62,762,513.04 is: 86,615,613.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,320,936.28 : 155,008,879.64 = 62,762,513.04 : x
  2. Step 2: Convert to fraction form
    112,320,936.28/155,008,879.64 = 62,762,513.04/x
  3. Step 3: Cross multiply
    112,320,936.28x = 155,008,879.64 × 62,762,513.04
  4. Step 4: Simplify right side
    112,320,936.28x = 9,728,746,829,721,290
  5. Step 5: Solve for x
    x = 9,728,746,829,721,290/112,320,936.28
  6. Step 6: Final answer
    x = 86,615,613.72

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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.