Home / 347,631,999.80-521,447,999.70-175,042,124.60

Finding the Fourth Proportional to 347,631,999.80, 521,447,999.70 and 175,042,124.60

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Solution

The fourth proportional to 347,631,999.80, 521,447,999.70 and 175,042,124.60 is: 262,563,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,631,999.80 : 521,447,999.70 = 175,042,124.60 : x
  2. Step 2: Convert to fraction form
    347,631,999.80/521,447,999.70 = 175,042,124.60/x
  3. Step 3: Cross multiply
    347,631,999.80x = 521,447,999.70 × 175,042,124.60
  4. Step 4: Simplify right side
    347,631,999.80x = 91,275,365,735,908,160
  5. Step 5: Solve for x
    x = 91,275,365,735,908,160/347,631,999.80
  6. Step 6: Final answer
    x = 262,563,186.90

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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.