Home / 67,142,808.63-100,708,443-40,874,826.33

Finding the Fourth Proportional to 67,142,808.63, 100,708,443 and 40,874,826.33

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Solution

The fourth proportional to 67,142,808.63, 100,708,443 and 40,874,826.33 is: 61,308,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,142,808.63 : 100,708,443 = 40,874,826.33 : x
  2. Step 2: Convert to fraction form
    67,142,808.63/100,708,443 = 40,874,826.33/x
  3. Step 3: Cross multiply
    67,142,808.63x = 100,708,443 × 40,874,826.33
  4. Step 4: Simplify right side
    67,142,808.63x = 4,116,440,117,589,704
  5. Step 5: Solve for x
    x = 4,116,440,117,589,704/67,142,808.63
  6. Step 6: Final answer
    x = 61,308,726.90

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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.