Home / 79,285,429.30-118,892,714.55-30,747,151.30

Finding the Fourth Proportional to 79,285,429.30, 118,892,714.55 and 30,747,151.30

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Solution

The fourth proportional to 79,285,429.30, 118,892,714.55 and 30,747,151.30 is: 46,106,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,285,429.30 : 118,892,714.55 = 30,747,151.30 : x
  2. Step 2: Convert to fraction form
    79,285,429.30/118,892,714.55 = 30,747,151.30/x
  3. Step 3: Cross multiply
    79,285,429.30x = 118,892,714.55 × 30,747,151.30
  4. Step 4: Simplify right side
    79,285,429.30x = 3,655,612,282,736,561.50
  5. Step 5: Solve for x
    x = 3,655,612,282,736,561.50/79,285,429.30
  6. Step 6: Final answer
    x = 46,106,987.31

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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.