Home / 94,846,785.55-130,816,348.49-81,638,442.79

Finding the Fourth Proportional to 94,846,785.55, 130,816,348.49 and 81,638,442.79

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Solution

The fourth proportional to 94,846,785.55, 130,816,348.49 and 81,638,442.79 is: 112,598,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,846,785.55 : 130,816,348.49 = 81,638,442.79 : x
  2. Step 2: Convert to fraction form
    94,846,785.55/130,816,348.49 = 81,638,442.79/x
  3. Step 3: Cross multiply
    94,846,785.55x = 130,816,348.49 × 81,638,442.79
  4. Step 4: Simplify right side
    94,846,785.55x = 10,679,642,982,197,568
  5. Step 5: Solve for x
    x = 10,679,642,982,197,568/94,846,785.55
  6. Step 6: Final answer
    x = 112,598,892.21

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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.