Home / 68,268,345.88-102,402,617.38-27,878,829.88

Finding the Fourth Proportional to 68,268,345.88, 102,402,617.38 and 27,878,829.88

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Solution

The fourth proportional to 68,268,345.88, 102,402,617.38 and 27,878,829.88 is: 41,818,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,268,345.88 : 102,402,617.38 = 27,878,829.88 : x
  2. Step 2: Convert to fraction form
    68,268,345.88/102,402,617.38 = 27,878,829.88/x
  3. Step 3: Cross multiply
    68,268,345.88x = 102,402,617.38 × 27,878,829.88
  4. Step 4: Simplify right side
    68,268,345.88x = 2,854,865,149,203,751
  5. Step 5: Solve for x
    x = 2,854,865,149,203,751/68,268,345.88
  6. Step 6: Final answer
    x = 41,818,285.07

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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.