Home / 171,504,342.40-257,256,513.60-98,944,931.20

Finding the Fourth Proportional to 171,504,342.40, 257,256,513.60 and 98,944,931.20

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Solution

The fourth proportional to 171,504,342.40, 257,256,513.60 and 98,944,931.20 is: 148,417,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,504,342.40 : 257,256,513.60 = 98,944,931.20 : x
  2. Step 2: Convert to fraction form
    171,504,342.40/257,256,513.60 = 98,944,931.20/x
  3. Step 3: Cross multiply
    171,504,342.40x = 257,256,513.60 × 98,944,931.20
  4. Step 4: Simplify right side
    171,504,342.40x = 25,454,228,038,903,864
  5. Step 5: Solve for x
    x = 25,454,228,038,903,864/171,504,342.40
  6. Step 6: Final answer
    x = 148,417,396.80

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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.