Home / 78,957,888.04-108,953,496.90-43,670,085.66

Finding the Fourth Proportional to 78,957,888.04, 108,953,496.90 and 43,670,085.66

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Solution

The fourth proportional to 78,957,888.04, 108,953,496.90 and 43,670,085.66 is: 60,260,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,957,888.04 : 108,953,496.90 = 43,670,085.66 : x
  2. Step 2: Convert to fraction form
    78,957,888.04/108,953,496.90 = 43,670,085.66/x
  3. Step 3: Cross multiply
    78,957,888.04x = 108,953,496.90 × 43,670,085.66
  4. Step 4: Simplify right side
    78,957,888.04x = 4,758,008,542,579,544
  5. Step 5: Solve for x
    x = 4,758,008,542,579,544/78,957,888.04
  6. Step 6: Final answer
    x = 60,260,078.64

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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.