Home / 52,180,372.53-72,009,043.47-28,975,497.39

Finding the Fourth Proportional to 52,180,372.53, 72,009,043.47 and 28,975,497.39

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Solution

The fourth proportional to 52,180,372.53, 72,009,043.47 and 28,975,497.39 is: 39,986,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,180,372.53 : 72,009,043.47 = 28,975,497.39 : x
  2. Step 2: Convert to fraction form
    52,180,372.53/72,009,043.47 = 28,975,497.39/x
  3. Step 3: Cross multiply
    52,180,372.53x = 72,009,043.47 × 28,975,497.39
  4. Step 4: Simplify right side
    52,180,372.53x = 2,086,497,851,121,381.50
  5. Step 5: Solve for x
    x = 2,086,497,851,121,381.50/52,180,372.53
  6. Step 6: Final answer
    x = 39,986,258.24

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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.