Home / 54,644,968.64-82,336,135.40-45,142,460.93

Finding the Fourth Proportional to 54,644,968.64, 82,336,135.40 and 45,142,460.93

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Solution

The fourth proportional to 54,644,968.64, 82,336,135.40 and 45,142,460.93 is: 68,018,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,644,968.64 : 82,336,135.40 = 45,142,460.93 : x
  2. Step 2: Convert to fraction form
    54,644,968.64/82,336,135.40 = 45,142,460.93/x
  3. Step 3: Cross multiply
    54,644,968.64x = 82,336,135.40 × 45,142,460.93
  4. Step 4: Simplify right side
    54,644,968.64x = 3,716,855,775,571,102.50
  5. Step 5: Solve for x
    x = 3,716,855,775,571,102.50/54,644,968.64
  6. Step 6: Final answer
    x = 68,018,261.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.