Home / 112,328,128.25-155,009,929.96-62,768,909.19

Finding the Fourth Proportional to 112,328,128.25, 155,009,929.96 and 62,768,909.19

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Solution

The fourth proportional to 112,328,128.25, 155,009,929.96 and 62,768,909.19 is: 86,619,481.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,328,128.25 : 155,009,929.96 = 62,768,909.19 : x
  2. Step 2: Convert to fraction form
    112,328,128.25/155,009,929.96 = 62,768,909.19/x
  3. Step 3: Cross multiply
    112,328,128.25x = 155,009,929.96 × 62,768,909.19
  4. Step 4: Simplify right side
    112,328,128.25x = 9,729,804,217,207,500
  5. Step 5: Solve for x
    x = 9,729,804,217,207,500/112,328,128.25
  6. Step 6: Final answer
    x = 86,619,481.41

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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.