Home / 78,525,090.47-108,361,129.33-45,010,542.89

Finding the Fourth Proportional to 78,525,090.47, 108,361,129.33 and 45,010,542.89

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Solution

The fourth proportional to 78,525,090.47, 108,361,129.33 and 45,010,542.89 is: 62,112,545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,525,090.47 : 108,361,129.33 = 45,010,542.89 : x
  2. Step 2: Convert to fraction form
    78,525,090.47/108,361,129.33 = 45,010,542.89/x
  3. Step 3: Cross multiply
    78,525,090.47x = 108,361,129.33 × 45,010,542.89
  4. Step 4: Simplify right side
    78,525,090.47x = 4,877,393,259,475,178
  5. Step 5: Solve for x
    x = 4,877,393,259,475,178/78,525,090.47
  6. Step 6: Final answer
    x = 62,112,545.56

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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.