Home / 99,811,922.40-149,717,883.60-88,096,600.80

Finding the Fourth Proportional to 99,811,922.40, 149,717,883.60 and 88,096,600.80

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Solution

The fourth proportional to 99,811,922.40, 149,717,883.60 and 88,096,600.80 is: 132,144,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,811,922.40 : 149,717,883.60 = 88,096,600.80 : x
  2. Step 2: Convert to fraction form
    99,811,922.40/149,717,883.60 = 88,096,600.80/x
  3. Step 3: Cross multiply
    99,811,922.40x = 149,717,883.60 × 88,096,600.80
  4. Step 4: Simplify right side
    99,811,922.40x = 13,189,636,624,130,066
  5. Step 5: Solve for x
    x = 13,189,636,624,130,066/99,811,922.40
  6. Step 6: Final answer
    x = 132,144,901.20

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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.