Home / 45,607,415.80-68,315,738.10-21,367,031.80

Finding the Fourth Proportional to 45,607,415.80, 68,315,738.10 and 21,367,031.80

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Solution

The fourth proportional to 45,607,415.80, 68,315,738.10 and 21,367,031.80 is: 32,005,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,607,415.80 : 68,315,738.10 = 21,367,031.80 : x
  2. Step 2: Convert to fraction form
    45,607,415.80/68,315,738.10 = 21,367,031.80/x
  3. Step 3: Cross multiply
    45,607,415.80x = 68,315,738.10 × 21,367,031.80
  4. Step 4: Simplify right side
    45,607,415.80x = 1,459,704,548,423,171.50
  5. Step 5: Solve for x
    x = 1,459,704,548,423,171.50/45,607,415.80
  6. Step 6: Final answer
    x = 32,005,859.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.