Home / 57,882,804.04-79,879,205.46-31,779,728.20

Finding the Fourth Proportional to 57,882,804.04, 79,879,205.46 and 31,779,728.20

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Solution

The fourth proportional to 57,882,804.04, 79,879,205.46 and 31,779,728.20 is: 43,856,538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,882,804.04 : 79,879,205.46 = 31,779,728.20 : x
  2. Step 2: Convert to fraction form
    57,882,804.04/79,879,205.46 = 31,779,728.20/x
  3. Step 3: Cross multiply
    57,882,804.04x = 79,879,205.46 × 31,779,728.20
  4. Step 4: Simplify right side
    57,882,804.04x = 2,538,539,438,350,755.50
  5. Step 5: Solve for x
    x = 2,538,539,438,350,755.50/57,882,804.04
  6. Step 6: Final answer
    x = 43,856,538.75

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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.