Home / 135,508,429.87-203,262,242.56-38,464,219.57

Finding the Fourth Proportional to 135,508,429.87, 203,262,242.56 and 38,464,219.57

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Solution

The fourth proportional to 135,508,429.87, 203,262,242.56 and 38,464,219.57 is: 57,696,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,508,429.87 : 203,262,242.56 = 38,464,219.57 : x
  2. Step 2: Convert to fraction form
    135,508,429.87/203,262,242.56 = 38,464,219.57/x
  3. Step 3: Cross multiply
    135,508,429.87x = 203,262,242.56 × 38,464,219.57
  4. Step 4: Simplify right side
    135,508,429.87x = 7,818,323,528,118,439
  5. Step 5: Solve for x
    x = 7,818,323,528,118,439/135,508,429.87
  6. Step 6: Final answer
    x = 57,696,215.18

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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.