Home / 57,457,908.80-86,186,863.20-54,056,686.40

Finding the Fourth Proportional to 57,457,908.80, 86,186,863.20 and 54,056,686.40

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Solution

The fourth proportional to 57,457,908.80, 86,186,863.20 and 54,056,686.40 is: 81,085,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,457,908.80 : 86,186,863.20 = 54,056,686.40 : x
  2. Step 2: Convert to fraction form
    57,457,908.80/86,186,863.20 = 54,056,686.40/x
  3. Step 3: Cross multiply
    57,457,908.80x = 86,186,863.20 × 54,056,686.40
  4. Step 4: Simplify right side
    57,457,908.80x = 4,658,976,235,802,101
  5. Step 5: Solve for x
    x = 4,658,976,235,802,101/57,457,908.80
  6. Step 6: Final answer
    x = 81,085,029.60

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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.