Home / 178,413,860.53-267,633,689.31-74,678,736.31

Finding the Fourth Proportional to 178,413,860.53, 267,633,689.31 and 74,678,736.31

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Solution

The fourth proportional to 178,413,860.53, 267,633,689.31 and 74,678,736.31 is: 112,023,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,413,860.53 : 267,633,689.31 = 74,678,736.31 : x
  2. Step 2: Convert to fraction form
    178,413,860.53/267,633,689.31 = 74,678,736.31/x
  3. Step 3: Cross multiply
    178,413,860.53x = 267,633,689.31 × 74,678,736.31
  4. Step 4: Simplify right side
    178,413,860.53x = 19,986,545,710,878,828
  5. Step 5: Solve for x
    x = 19,986,545,710,878,828/178,413,860.53
  6. Step 6: Final answer
    x = 112,023,503.40

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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.