Home / 143,465,808.51-198,043,905.13-96,450,149.34

Finding the Fourth Proportional to 143,465,808.51, 198,043,905.13 and 96,450,149.34

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Solution

The fourth proportional to 143,465,808.51, 198,043,905.13 and 96,450,149.34 is: 133,142,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,465,808.51 : 198,043,905.13 = 96,450,149.34 : x
  2. Step 2: Convert to fraction form
    143,465,808.51/198,043,905.13 = 96,450,149.34/x
  3. Step 3: Cross multiply
    143,465,808.51x = 198,043,905.13 × 96,450,149.34
  4. Step 4: Simplify right side
    143,465,808.51x = 19,101,364,225,011,876
  5. Step 5: Solve for x
    x = 19,101,364,225,011,876/143,465,808.51
  6. Step 6: Final answer
    x = 133,142,275.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.