Home / 52,204,821.23-72,043,145.75-28,683,851.49

Finding the Fourth Proportional to 52,204,821.23, 72,043,145.75 and 28,683,851.49

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Solution

The fourth proportional to 52,204,821.23, 72,043,145.75 and 28,683,851.49 is: 39,583,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,204,821.23 : 72,043,145.75 = 28,683,851.49 : x
  2. Step 2: Convert to fraction form
    52,204,821.23/72,043,145.75 = 28,683,851.49/x
  3. Step 3: Cross multiply
    52,204,821.23x = 72,043,145.75 × 28,683,851.49
  4. Step 4: Simplify right side
    52,204,821.23x = 2,066,474,893,637,134
  5. Step 5: Solve for x
    x = 2,066,474,893,637,134/52,204,821.23
  6. Step 6: Final answer
    x = 39,583,985.63

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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.