Home / 52,178,277.42-72,012,665.84-31,551,871.23

Finding the Fourth Proportional to 52,178,277.42, 72,012,665.84 and 31,551,871.23

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Solution

The fourth proportional to 52,178,277.42, 72,012,665.84 and 31,551,871.23 is: 43,545,599.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178,277.42 : 72,012,665.84 = 31,551,871.23 : x
  2. Step 2: Convert to fraction form
    52,178,277.42/72,012,665.84 = 31,551,871.23/x
  3. Step 3: Cross multiply
    52,178,277.42x = 72,012,665.84 × 31,551,871.23
  4. Step 4: Simplify right side
    52,178,277.42x = 2,272,134,359,354,940.50
  5. Step 5: Solve for x
    x = 2,272,134,359,354,940.50/52,178,277.42
  6. Step 6: Final answer
    x = 43,545,599.27

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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.