Home / 354,350,061.40-531,525,092.10-198,744,136.60

Finding the Fourth Proportional to 354,350,061.40, 531,525,092.10 and 198,744,136.60

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Solution

The fourth proportional to 354,350,061.40, 531,525,092.10 and 198,744,136.60 is: 298,116,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,350,061.40 : 531,525,092.10 = 198,744,136.60 : x
  2. Step 2: Convert to fraction form
    354,350,061.40/531,525,092.10 = 198,744,136.60/x
  3. Step 3: Cross multiply
    354,350,061.40x = 531,525,092.10 × 198,744,136.60
  4. Step 4: Simplify right side
    354,350,061.40x = 105,637,495,510,649,984
  5. Step 5: Solve for x
    x = 105,637,495,510,649,984/354,350,061.40
  6. Step 6: Final answer
    x = 298,116,204.90

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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.