Home / 143,731,138.88-215,510,517.32-65,910,554.46

Finding the Fourth Proportional to 143,731,138.88, 215,510,517.32 and 65,910,554.46

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Solution

The fourth proportional to 143,731,138.88, 215,510,517.32 and 65,910,554.46 is: 98,826,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,731,138.88 : 215,510,517.32 = 65,910,554.46 : x
  2. Step 2: Convert to fraction form
    143,731,138.88/215,510,517.32 = 65,910,554.46/x
  3. Step 3: Cross multiply
    143,731,138.88x = 215,510,517.32 × 65,910,554.46
  4. Step 4: Simplify right side
    143,731,138.88x = 14,204,417,688,522,632
  5. Step 5: Solve for x
    x = 14,204,417,688,522,632/143,731,138.88
  6. Step 6: Final answer
    x = 98,826,307.22

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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.