Home / 79,136,672.54-118,707,341.62-67,549,080.38

Finding the Fourth Proportional to 79,136,672.54, 118,707,341.62 and 67,549,080.38

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Solution

The fourth proportional to 79,136,672.54, 118,707,341.62 and 67,549,080.38 is: 101,325,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,136,672.54 : 118,707,341.62 = 67,549,080.38 : x
  2. Step 2: Convert to fraction form
    79,136,672.54/118,707,341.62 = 67,549,080.38/x
  3. Step 3: Cross multiply
    79,136,672.54x = 118,707,341.62 × 67,549,080.38
  4. Step 4: Simplify right side
    79,136,672.54x = 8,018,571,760,785,499
  5. Step 5: Solve for x
    x = 8,018,571,760,785,499/79,136,672.54
  6. Step 6: Final answer
    x = 101,325,611.80

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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.