Home / 79,340,918.13-118,957,045.73-40,403,999.33

Finding the Fourth Proportional to 79,340,918.13, 118,957,045.73 and 40,403,999.33

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Solution

The fourth proportional to 79,340,918.13, 118,957,045.73 and 40,403,999.33 is: 60,578,330.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,340,918.13 : 118,957,045.73 = 40,403,999.33 : x
  2. Step 2: Convert to fraction form
    79,340,918.13/118,957,045.73 = 40,403,999.33/x
  3. Step 3: Cross multiply
    79,340,918.13x = 118,957,045.73 × 40,403,999.33
  4. Step 4: Simplify right side
    79,340,918.13x = 4,806,340,395,973,699
  5. Step 5: Solve for x
    x = 4,806,340,395,973,699/79,340,918.13
  6. Step 6: Final answer
    x = 60,578,330.95

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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.