Home / 57,768,127.10-86,631,195.45-19,430,891.90

Finding the Fourth Proportional to 57,768,127.10, 86,631,195.45 and 19,430,891.90

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Solution

The fourth proportional to 57,768,127.10, 86,631,195.45 and 19,430,891.90 is: 29,139,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,768,127.10 : 86,631,195.45 = 19,430,891.90 : x
  2. Step 2: Convert to fraction form
    57,768,127.10/86,631,195.45 = 19,430,891.90/x
  3. Step 3: Cross multiply
    57,768,127.10x = 86,631,195.45 × 19,430,891.90
  4. Step 4: Simplify right side
    57,768,127.10x = 1,683,321,393,956,721.75
  5. Step 5: Solve for x
    x = 1,683,321,393,956,721.75/57,768,127.10
  6. Step 6: Final answer
    x = 29,139,275.90

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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.