Home / 127,568,970.23-191,427,722.16-53,788,123.55

Finding the Fourth Proportional to 127,568,970.23, 191,427,722.16 and 53,788,123.55

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Solution

The fourth proportional to 127,568,970.23, 191,427,722.16 and 53,788,123.55 is: 80,713,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,568,970.23 : 191,427,722.16 = 53,788,123.55 : x
  2. Step 2: Convert to fraction form
    127,568,970.23/191,427,722.16 = 53,788,123.55/x
  3. Step 3: Cross multiply
    127,568,970.23x = 191,427,722.16 × 53,788,123.55
  4. Step 4: Simplify right side
    127,568,970.23x = 10,296,537,970,197,868
  5. Step 5: Solve for x
    x = 10,296,537,970,197,868/127,568,970.23
  6. Step 6: Final answer
    x = 80,713,499.15

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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.