Home / 54,445,421.40-75,139,976.36-40,670,470.68

Finding the Fourth Proportional to 54,445,421.40, 75,139,976.36 and 40,670,470.68

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Solution

The fourth proportional to 54,445,421.40, 75,139,976.36 and 40,670,470.68 is: 56,129,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,445,421.40 : 75,139,976.36 = 40,670,470.68 : x
  2. Step 2: Convert to fraction form
    54,445,421.40/75,139,976.36 = 40,670,470.68/x
  3. Step 3: Cross multiply
    54,445,421.40x = 75,139,976.36 × 40,670,470.68
  4. Step 4: Simplify right side
    54,445,421.40x = 3,055,978,205,445,273
  5. Step 5: Solve for x
    x = 3,055,978,205,445,273/54,445,421.40
  6. Step 6: Final answer
    x = 56,129,204.75

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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.