Home / 79,977,878.15-110,369,444.90-43,308,449.15

Finding the Fourth Proportional to 79,977,878.15, 110,369,444.90 and 43,308,449.15

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Solution

The fourth proportional to 79,977,878.15, 110,369,444.90 and 43,308,449.15 is: 59,765,645.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,977,878.15 : 110,369,444.90 = 43,308,449.15 : x
  2. Step 2: Convert to fraction form
    79,977,878.15/110,369,444.90 = 43,308,449.15/x
  3. Step 3: Cross multiply
    79,977,878.15x = 110,369,444.90 × 43,308,449.15
  4. Step 4: Simplify right side
    79,977,878.15x = 4,779,929,491,396,988
  5. Step 5: Solve for x
    x = 4,779,929,491,396,988/79,977,878.15
  6. Step 6: Final answer
    x = 59,765,645.23

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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.