Home / 56,238,731.76-84,336,288.08-19,343,606.18

Finding the Fourth Proportional to 56,238,731.76, 84,336,288.08 and 19,343,606.18

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Solution

The fourth proportional to 56,238,731.76, 84,336,288.08 and 19,343,606.18 is: 29,007,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,238,731.76 : 84,336,288.08 = 19,343,606.18 : x
  2. Step 2: Convert to fraction form
    56,238,731.76/84,336,288.08 = 19,343,606.18/x
  3. Step 3: Cross multiply
    56,238,731.76x = 84,336,288.08 × 19,343,606.18
  4. Step 4: Simplify right side
    56,238,731.76x = 1,631,367,943,302,548.25
  5. Step 5: Solve for x
    x = 1,631,367,943,302,548.25/56,238,731.76
  6. Step 6: Final answer
    x = 29,007,907.76

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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.