Home / 80,558,430.80-120,837,646.20-26,705,742.80

Finding the Fourth Proportional to 80,558,430.80, 120,837,646.20 and 26,705,742.80

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Solution

The fourth proportional to 80,558,430.80, 120,837,646.20 and 26,705,742.80 is: 40,058,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,558,430.80 : 120,837,646.20 = 26,705,742.80 : x
  2. Step 2: Convert to fraction form
    80,558,430.80/120,837,646.20 = 26,705,742.80/x
  3. Step 3: Cross multiply
    80,558,430.80x = 120,837,646.20 × 26,705,742.80
  4. Step 4: Simplify right side
    80,558,430.80x = 3,227,059,099,974,597.50
  5. Step 5: Solve for x
    x = 3,227,059,099,974,597.50/80,558,430.80
  6. Step 6: Final answer
    x = 40,058,614.20

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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.