Home / 117,419,317.20-176,128,975.80-71,502,814.80

Finding the Fourth Proportional to 117,419,317.20, 176,128,975.80 and 71,502,814.80

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Solution

The fourth proportional to 117,419,317.20, 176,128,975.80 and 71,502,814.80 is: 107,254,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,419,317.20 : 176,128,975.80 = 71,502,814.80 : x
  2. Step 2: Convert to fraction form
    117,419,317.20/176,128,975.80 = 71,502,814.80/x
  3. Step 3: Cross multiply
    117,419,317.20x = 176,128,975.80 × 71,502,814.80
  4. Step 4: Simplify right side
    117,419,317.20x = 12,593,717,537,541,082
  5. Step 5: Solve for x
    x = 12,593,717,537,541,082/117,419,317.20
  6. Step 6: Final answer
    x = 107,254,222.20

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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.