Home / 79,977,860.80-110,369,421-43,308,431.80

Finding the Fourth Proportional to 79,977,860.80, 110,369,421 and 43,308,431.80

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Solution

The fourth proportional to 79,977,860.80, 110,369,421 and 43,308,431.80 is: 59,765,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,977,860.80 : 110,369,421 = 43,308,431.80 : x
  2. Step 2: Convert to fraction form
    79,977,860.80/110,369,421 = 43,308,431.80/x
  3. Step 3: Cross multiply
    79,977,860.80x = 110,369,421 × 43,308,431.80
  4. Step 4: Simplify right side
    79,977,860.80x = 4,779,926,541,632,141
  5. Step 5: Solve for x
    x = 4,779,926,541,632,141/79,977,860.80
  6. Step 6: Final answer
    x = 59,765,621.31

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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.