Home / 198,598,840.80-297,756,543.60-89,334,571.20

Finding the Fourth Proportional to 198,598,840.80, 297,756,543.60 and 89,334,571.20

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Solution

The fourth proportional to 198,598,840.80, 297,756,543.60 and 89,334,571.20 is: 133,938,108.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,598,840.80 : 297,756,543.60 = 89,334,571.20 : x
  2. Step 2: Convert to fraction form
    198,598,840.80/297,756,543.60 = 89,334,571.20/x
  3. Step 3: Cross multiply
    198,598,840.80x = 297,756,543.60 × 89,334,571.20
  4. Step 4: Simplify right side
    198,598,840.80x = 26,599,953,144,500,108
  5. Step 5: Solve for x
    x = 26,599,953,144,500,108/198,598,840.80
  6. Step 6: Final answer
    x = 133,938,108.79

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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.