Home / 214,711,378.40-322,235,029.20-99,710,170.40

Finding the Fourth Proportional to 214,711,378.40, 322,235,029.20 and 99,710,170.40

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Solution

The fourth proportional to 214,711,378.40, 322,235,029.20 and 99,710,170.40 is: 149,643,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,711,378.40 : 322,235,029.20 = 99,710,170.40 : x
  2. Step 2: Convert to fraction form
    214,711,378.40/322,235,029.20 = 99,710,170.40/x
  3. Step 3: Cross multiply
    214,711,378.40x = 322,235,029.20 × 99,710,170.40
  4. Step 4: Simplify right side
    214,711,378.40x = 32,130,109,670,380,976
  5. Step 5: Solve for x
    x = 32,130,109,670,380,976/214,711,378.40
  6. Step 6: Final answer
    x = 149,643,255.56

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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.