Home / 54,909,023.18-75,774,422.76-30,129,372.86

Finding the Fourth Proportional to 54,909,023.18, 75,774,422.76 and 30,129,372.86

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Solution

The fourth proportional to 54,909,023.18, 75,774,422.76 and 30,129,372.86 is: 41,578,518.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909,023.18 : 75,774,422.76 = 30,129,372.86 : x
  2. Step 2: Convert to fraction form
    54,909,023.18/75,774,422.76 = 30,129,372.86/x
  3. Step 3: Cross multiply
    54,909,023.18x = 75,774,422.76 × 30,129,372.86
  4. Step 4: Simplify right side
    54,909,023.18x = 2,283,035,836,587,310.50
  5. Step 5: Solve for x
    x = 2,283,035,836,587,310.50/54,909,023.18
  6. Step 6: Final answer
    x = 41,578,518.51

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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.