Home / 147,531,425.61-203,611,220.16-83,967,219.39

Finding the Fourth Proportional to 147,531,425.61, 203,611,220.16 and 83,967,219.39

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Solution

The fourth proportional to 147,531,425.61, 203,611,220.16 and 83,967,219.39 is: 115,884,923.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,531,425.61 : 203,611,220.16 = 83,967,219.39 : x
  2. Step 2: Convert to fraction form
    147,531,425.61/203,611,220.16 = 83,967,219.39/x
  3. Step 3: Cross multiply
    147,531,425.61x = 203,611,220.16 × 83,967,219.39
  4. Step 4: Simplify right side
    147,531,425.61x = 17,096,667,993,440,310
  5. Step 5: Solve for x
    x = 17,096,667,993,440,310/147,531,425.61
  6. Step 6: Final answer
    x = 115,884,923.65

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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.