Home / 54,209,708.46-74,810,698.86-29,430,939.69

Finding the Fourth Proportional to 54,209,708.46, 74,810,698.86 and 29,430,939.69

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Solution

The fourth proportional to 54,209,708.46, 74,810,698.86 and 29,430,939.69 is: 40,615,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,209,708.46 : 74,810,698.86 = 29,430,939.69 : x
  2. Step 2: Convert to fraction form
    54,209,708.46/74,810,698.86 = 29,430,939.69/x
  3. Step 3: Cross multiply
    54,209,708.46x = 74,810,698.86 × 29,430,939.69
  4. Step 4: Simplify right side
    54,209,708.46x = 2,201,749,166,315,411.75
  5. Step 5: Solve for x
    x = 2,201,749,166,315,411.75/54,209,708.46
  6. Step 6: Final answer
    x = 40,615,403.20

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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.