Home / 79,977,879.15-110,369,446.28-43,308,450.15

Finding the Fourth Proportional to 79,977,879.15, 110,369,446.28 and 43,308,450.15

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Solution

The fourth proportional to 79,977,879.15, 110,369,446.28 and 43,308,450.15 is: 59,765,646.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,977,879.15 : 110,369,446.28 = 43,308,450.15 : x
  2. Step 2: Convert to fraction form
    79,977,879.15/110,369,446.28 = 43,308,450.15/x
  3. Step 3: Cross multiply
    79,977,879.15x = 110,369,446.28 × 43,308,450.15
  4. Step 4: Simplify right side
    79,977,879.15x = 4,779,929,662,300,483
  5. Step 5: Solve for x
    x = 4,779,929,662,300,483/79,977,879.15
  6. Step 6: Final answer
    x = 59,765,646.62

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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.