Home / 111,215,802.60-166,823,703.90-30,436,770.60

Finding the Fourth Proportional to 111,215,802.60, 166,823,703.90 and 30,436,770.60

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Solution

The fourth proportional to 111,215,802.60, 166,823,703.90 and 30,436,770.60 is: 45,655,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,215,802.60 : 166,823,703.90 = 30,436,770.60 : x
  2. Step 2: Convert to fraction form
    111,215,802.60/166,823,703.90 = 30,436,770.60/x
  3. Step 3: Cross multiply
    111,215,802.60x = 166,823,703.90 × 30,436,770.60
  4. Step 4: Simplify right side
    111,215,802.60x = 5,077,574,806,246,626
  5. Step 5: Solve for x
    x = 5,077,574,806,246,626/111,215,802.60
  6. Step 6: Final answer
    x = 45,655,155.90

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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.