Home / 147,531,422.61-203,611,216.02-83,967,216.39

Finding the Fourth Proportional to 147,531,422.61, 203,611,216.02 and 83,967,216.39

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Solution

The fourth proportional to 147,531,422.61, 203,611,216.02 and 83,967,216.39 is: 115,884,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,531,422.61 : 203,611,216.02 = 83,967,216.39 : x
  2. Step 2: Convert to fraction form
    147,531,422.61/203,611,216.02 = 83,967,216.39/x
  3. Step 3: Cross multiply
    147,531,422.61x = 203,611,216.02 × 83,967,216.39
  4. Step 4: Simplify right side
    147,531,422.61x = 17,096,667,034,982,376
  5. Step 5: Solve for x
    x = 17,096,667,034,982,376/147,531,422.61
  6. Step 6: Final answer
    x = 115,884,919.51

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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.