Home / 52,186,178.64-72,014,953.53-28,982,800.28

Finding the Fourth Proportional to 52,186,178.64, 72,014,953.53 and 28,982,800.28

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Solution

The fourth proportional to 52,186,178.64, 72,014,953.53 and 28,982,800.28 is: 39,995,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,186,178.64 : 72,014,953.53 = 28,982,800.28 : x
  2. Step 2: Convert to fraction form
    52,186,178.64/72,014,953.53 = 28,982,800.28/x
  3. Step 3: Cross multiply
    52,186,178.64x = 72,014,953.53 × 28,982,800.28
  4. Step 4: Simplify right side
    52,186,178.64x = 2,087,195,014,973,396.25
  5. Step 5: Solve for x
    x = 2,087,195,014,973,396.25/52,186,178.64
  6. Step 6: Final answer
    x = 39,995,168.63

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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.