Home / 325,866,045.60-489,365,938.80-172,811,037.60

Finding the Fourth Proportional to 325,866,045.60, 489,365,938.80 and 172,811,037.60

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Solution

The fourth proportional to 325,866,045.60, 489,365,938.80 and 172,811,037.60 is: 259,517,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,866,045.60 : 489,365,938.80 = 172,811,037.60 : x
  2. Step 2: Convert to fraction form
    325,866,045.60/489,365,938.80 = 172,811,037.60/x
  3. Step 3: Cross multiply
    325,866,045.60x = 489,365,938.80 × 172,811,037.60
  4. Step 4: Simplify right side
    325,866,045.60x = 84,567,835,650,126,096
  5. Step 5: Solve for x
    x = 84,567,835,650,126,096/325,866,045.60
  6. Step 6: Final answer
    x = 259,517,175.21

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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.