Home / 306,152,539.20-459,228,808.80-220,059,097.20

Finding the Fourth Proportional to 306,152,539.20, 459,228,808.80 and 220,059,097.20

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Solution

The fourth proportional to 306,152,539.20, 459,228,808.80 and 220,059,097.20 is: 330,088,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,152,539.20 : 459,228,808.80 = 220,059,097.20 : x
  2. Step 2: Convert to fraction form
    306,152,539.20/459,228,808.80 = 220,059,097.20/x
  3. Step 3: Cross multiply
    306,152,539.20x = 459,228,808.80 × 220,059,097.20
  4. Step 4: Simplify right side
    306,152,539.20x = 101,057,477,072,759,408
  5. Step 5: Solve for x
    x = 101,057,477,072,759,408/306,152,539.20
  6. Step 6: Final answer
    x = 330,088,645.80

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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.