Home / 171,098,142.80-256,710,199.80-56,086,437.20

Finding the Fourth Proportional to 171,098,142.80, 256,710,199.80 and 56,086,437.20

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Solution

The fourth proportional to 171,098,142.80, 256,710,199.80 and 56,086,437.20 is: 84,150,302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,098,142.80 : 256,710,199.80 = 56,086,437.20 : x
  2. Step 2: Convert to fraction form
    171,098,142.80/256,710,199.80 = 56,086,437.20/x
  3. Step 3: Cross multiply
    171,098,142.80x = 256,710,199.80 × 56,086,437.20
  4. Step 4: Simplify right side
    171,098,142.80x = 14,397,960,499,682,154
  5. Step 5: Solve for x
    x = 14,397,960,499,682,154/171,098,142.80
  6. Step 6: Final answer
    x = 84,150,302.65

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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.