Home / 52,180,305.68-72,009,047.88-28,975,361.36

Finding the Fourth Proportional to 52,180,305.68, 72,009,047.88 and 28,975,361.36

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Solution

The fourth proportional to 52,180,305.68, 72,009,047.88 and 28,975,361.36 is: 39,986,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,180,305.68 : 72,009,047.88 = 28,975,361.36 : x
  2. Step 2: Convert to fraction form
    52,180,305.68/72,009,047.88 = 28,975,361.36/x
  3. Step 3: Cross multiply
    52,180,305.68x = 72,009,047.88 × 28,975,361.36
  4. Step 4: Simplify right side
    52,180,305.68x = 2,086,488,183,512,541.75
  5. Step 5: Solve for x
    x = 2,086,488,183,512,541.75/52,180,305.68
  6. Step 6: Final answer
    x = 39,986,124.20

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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.