Home / 202,129,334.40-303,194,001.60-99,872,212.80

Finding the Fourth Proportional to 202,129,334.40, 303,194,001.60 and 99,872,212.80

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Solution

The fourth proportional to 202,129,334.40, 303,194,001.60 and 99,872,212.80 is: 149,808,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,129,334.40 : 303,194,001.60 = 99,872,212.80 : x
  2. Step 2: Convert to fraction form
    202,129,334.40/303,194,001.60 = 99,872,212.80/x
  3. Step 3: Cross multiply
    202,129,334.40x = 303,194,001.60 × 99,872,212.80
  4. Step 4: Simplify right side
    202,129,334.40x = 30,280,655,847,478,740
  5. Step 5: Solve for x
    x = 30,280,655,847,478,740/202,129,334.40
  6. Step 6: Final answer
    x = 149,808,319.20

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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.