Home / 54,779,605.12-75,595,739.52-31,574,575.36

Finding the Fourth Proportional to 54,779,605.12, 75,595,739.52 and 31,574,575.36

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Solution

The fourth proportional to 54,779,605.12, 75,595,739.52 and 31,574,575.36 is: 43,572,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,779,605.12 : 75,595,739.52 = 31,574,575.36 : x
  2. Step 2: Convert to fraction form
    54,779,605.12/75,595,739.52 = 31,574,575.36/x
  3. Step 3: Cross multiply
    54,779,605.12x = 75,595,739.52 × 31,574,575.36
  4. Step 4: Simplify right side
    54,779,605.12x = 2,386,903,374,369,170
  5. Step 5: Solve for x
    x = 2,386,903,374,369,170/54,779,605.12
  6. Step 6: Final answer
    x = 43,572,847.40

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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.