Home / 289,175,577.40-433,760,601.30-70,826,879.80

Finding the Fourth Proportional to 289,175,577.40, 433,760,601.30 and 70,826,879.80

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Solution

The fourth proportional to 289,175,577.40, 433,760,601.30 and 70,826,879.80 is: 106,239,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,175,577.40 : 433,760,601.30 = 70,826,879.80 : x
  2. Step 2: Convert to fraction form
    289,175,577.40/433,760,601.30 = 70,826,879.80/x
  3. Step 3: Cross multiply
    289,175,577.40x = 433,760,601.30 × 70,826,879.80
  4. Step 4: Simplify right side
    289,175,577.40x = 30,721,909,970,250,824
  5. Step 5: Solve for x
    x = 30,721,909,970,250,824/289,175,577.40
  6. Step 6: Final answer
    x = 106,239,642.53

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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.