Home / 79,087,661.42-118,547,788.53-35,987,131.85

Finding the Fourth Proportional to 79,087,661.42, 118,547,788.53 and 35,987,131.85

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Solution

The fourth proportional to 79,087,661.42, 118,547,788.53 and 35,987,131.85 is: 53,942,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,087,661.42 : 118,547,788.53 = 35,987,131.85 : x
  2. Step 2: Convert to fraction form
    79,087,661.42/118,547,788.53 = 35,987,131.85/x
  3. Step 3: Cross multiply
    79,087,661.42x = 118,547,788.53 × 35,987,131.85
  4. Step 4: Simplify right side
    79,087,661.42x = 4,266,194,896,355,028
  5. Step 5: Solve for x
    x = 4,266,194,896,355,028/79,087,661.42
  6. Step 6: Final answer
    x = 53,942,610.26

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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.