Home / 85,847,716.07-128,814,165.93-34,031,223.48

Finding the Fourth Proportional to 85,847,716.07, 128,814,165.93 and 34,031,223.48

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Solution

The fourth proportional to 85,847,716.07, 128,814,165.93 and 34,031,223.48 is: 51,063,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,847,716.07 : 128,814,165.93 = 34,031,223.48 : x
  2. Step 2: Convert to fraction form
    85,847,716.07/128,814,165.93 = 34,031,223.48/x
  3. Step 3: Cross multiply
    85,847,716.07x = 128,814,165.93 × 34,031,223.48
  4. Step 4: Simplify right side
    85,847,716.07x = 4,383,703,668,153,632
  5. Step 5: Solve for x
    x = 4,383,703,668,153,632/85,847,716.07
  6. Step 6: Final answer
    x = 51,063,719.21

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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.