Home / 99,639,969.40-149,459,954.10-35,016,743.80

Finding the Fourth Proportional to 99,639,969.40, 149,459,954.10 and 35,016,743.80

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Solution

The fourth proportional to 99,639,969.40, 149,459,954.10 and 35,016,743.80 is: 52,525,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,639,969.40 : 149,459,954.10 = 35,016,743.80 : x
  2. Step 2: Convert to fraction form
    99,639,969.40/149,459,954.10 = 35,016,743.80/x
  3. Step 3: Cross multiply
    99,639,969.40x = 149,459,954.10 × 35,016,743.80
  4. Step 4: Simplify right side
    99,639,969.40x = 5,233,600,921,079,459
  5. Step 5: Solve for x
    x = 5,233,600,921,079,459/99,639,969.40
  6. Step 6: Final answer
    x = 52,525,115.70

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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.