Home / 357,695,999.20-536,543,998.80-115,383,397.60

Finding the Fourth Proportional to 357,695,999.20, 536,543,998.80 and 115,383,397.60

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Solution

The fourth proportional to 357,695,999.20, 536,543,998.80 and 115,383,397.60 is: 173,075,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,695,999.20 : 536,543,998.80 = 115,383,397.60 : x
  2. Step 2: Convert to fraction form
    357,695,999.20/536,543,998.80 = 115,383,397.60/x
  3. Step 3: Cross multiply
    357,695,999.20x = 536,543,998.80 × 115,383,397.60
  4. Step 4: Simplify right side
    357,695,999.20x = 61,908,269,543,434,320
  5. Step 5: Solve for x
    x = 61,908,269,543,434,320/357,695,999.20
  6. Step 6: Final answer
    x = 173,075,096.40

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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.