Home / 171,504,123.40-257,256,185.10-98,944,712.20

Finding the Fourth Proportional to 171,504,123.40, 257,256,185.10 and 98,944,712.20

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Solution

The fourth proportional to 171,504,123.40, 257,256,185.10 and 98,944,712.20 is: 148,417,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,504,123.40 : 257,256,185.10 = 98,944,712.20 : x
  2. Step 2: Convert to fraction form
    171,504,123.40/257,256,185.10 = 98,944,712.20/x
  3. Step 3: Cross multiply
    171,504,123.40x = 257,256,185.10 × 98,944,712.20
  4. Step 4: Simplify right side
    171,504,123.40x = 25,454,139,196,389,428
  5. Step 5: Solve for x
    x = 25,454,139,196,389,428/171,504,123.40
  6. Step 6: Final answer
    x = 148,417,068.30

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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.