Home / 170,014,251.17-255,020,520.74-66,393,978.77

Finding the Fourth Proportional to 170,014,251.17, 255,020,520.74 and 66,393,978.77

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Solution

The fourth proportional to 170,014,251.17, 255,020,520.74 and 66,393,978.77 is: 99,590,633.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,014,251.17 : 255,020,520.74 = 66,393,978.77 : x
  2. Step 2: Convert to fraction form
    170,014,251.17/255,020,520.74 = 66,393,978.77/x
  3. Step 3: Cross multiply
    170,014,251.17x = 255,020,520.74 × 66,393,978.77
  4. Step 4: Simplify right side
    170,014,251.17x = 16,931,827,040,231,488
  5. Step 5: Solve for x
    x = 16,931,827,040,231,488/170,014,251.17
  6. Step 6: Final answer
    x = 99,590,633.86

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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.