Home / 85,847,718.19-128,814,169.13-34,031,225.61

Finding the Fourth Proportional to 85,847,718.19, 128,814,169.13 and 34,031,225.61

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Solution

The fourth proportional to 85,847,718.19, 128,814,169.13 and 34,031,225.61 is: 51,063,722.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,847,718.19 : 128,814,169.13 = 34,031,225.61 : x
  2. Step 2: Convert to fraction form
    85,847,718.19/128,814,169.13 = 34,031,225.61/x
  3. Step 3: Cross multiply
    85,847,718.19x = 128,814,169.13 × 34,031,225.61
  4. Step 4: Simplify right side
    85,847,718.19x = 4,383,704,051,427,727
  5. Step 5: Solve for x
    x = 4,383,704,051,427,727/85,847,718.19
  6. Step 6: Final answer
    x = 51,063,722.41

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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.