Home / 84,817,311.80-127,225,967.70-30,291,465.20

Finding the Fourth Proportional to 84,817,311.80, 127,225,967.70 and 30,291,465.20

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Solution

The fourth proportional to 84,817,311.80, 127,225,967.70 and 30,291,465.20 is: 45,437,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,817,311.80 : 127,225,967.70 = 30,291,465.20 : x
  2. Step 2: Convert to fraction form
    84,817,311.80/127,225,967.70 = 30,291,465.20/x
  3. Step 3: Cross multiply
    84,817,311.80x = 127,225,967.70 × 30,291,465.20
  4. Step 4: Simplify right side
    84,817,311.80x = 3,853,860,973,120,874
  5. Step 5: Solve for x
    x = 3,853,860,973,120,874/84,817,311.80
  6. Step 6: Final answer
    x = 45,437,197.80

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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.