Home / 171,095,687.40-256,643,531.10-103,071,239.40

Finding the Fourth Proportional to 171,095,687.40, 256,643,531.10 and 103,071,239.40

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Solution

The fourth proportional to 171,095,687.40, 256,643,531.10 and 103,071,239.40 is: 154,606,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,095,687.40 : 256,643,531.10 = 103,071,239.40 : x
  2. Step 2: Convert to fraction form
    171,095,687.40/256,643,531.10 = 103,071,239.40/x
  3. Step 3: Cross multiply
    171,095,687.40x = 256,643,531.10 × 103,071,239.40
  4. Step 4: Simplify right side
    171,095,687.40x = 26,452,566,834,469,448
  5. Step 5: Solve for x
    x = 26,452,566,834,469,448/171,095,687.40
  6. Step 6: Final answer
    x = 154,606,859.10

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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.