Home / 357,317,999.20-535,976,998.80-152,866,741.60

Finding the Fourth Proportional to 357,317,999.20, 535,976,998.80 and 152,866,741.60

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Solution

The fourth proportional to 357,317,999.20, 535,976,998.80 and 152,866,741.60 is: 229,300,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,317,999.20 : 535,976,998.80 = 152,866,741.60 : x
  2. Step 2: Convert to fraction form
    357,317,999.20/535,976,998.80 = 152,866,741.60/x
  3. Step 3: Cross multiply
    357,317,999.20x = 535,976,998.80 × 152,866,741.60
  4. Step 4: Simplify right side
    357,317,999.20x = 81,933,057,379,103,104
  5. Step 5: Solve for x
    x = 81,933,057,379,103,104/357,317,999.20
  6. Step 6: Final answer
    x = 229,300,112.40

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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.