Home / 171,919,617.80-257,879,426.70-103,044,864.20

Finding the Fourth Proportional to 171,919,617.80, 257,879,426.70 and 103,044,864.20

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Solution

The fourth proportional to 171,919,617.80, 257,879,426.70 and 103,044,864.20 is: 154,567,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,919,617.80 : 257,879,426.70 = 103,044,864.20 : x
  2. Step 2: Convert to fraction form
    171,919,617.80/257,879,426.70 = 103,044,864.20/x
  3. Step 3: Cross multiply
    171,919,617.80x = 257,879,426.70 × 103,044,864.20
  4. Step 4: Simplify right side
    171,919,617.80x = 26,573,150,504,275,352
  5. Step 5: Solve for x
    x = 26,573,150,504,275,352/171,919,617.80
  6. Step 6: Final answer
    x = 154,567,296.30

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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.