Home / 56,339,029.08-84,539,943.48-30,430,807.56

Finding the Fourth Proportional to 56,339,029.08, 84,539,943.48 and 30,430,807.56

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Solution

The fourth proportional to 56,339,029.08, 84,539,943.48 and 30,430,807.56 is: 45,663,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,339,029.08 : 84,539,943.48 = 30,430,807.56 : x
  2. Step 2: Convert to fraction form
    56,339,029.08/84,539,943.48 = 30,430,807.56/x
  3. Step 3: Cross multiply
    56,339,029.08x = 84,539,943.48 × 30,430,807.56
  4. Step 4: Simplify right side
    56,339,029.08x = 2,572,618,751,173,156.50
  5. Step 5: Solve for x
    x = 2,572,618,751,173,156.50/56,339,029.08
  6. Step 6: Final answer
    x = 45,663,171.57

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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.