Home / 133,161,830.13-199,723,968.27-45,721,963.63

Finding the Fourth Proportional to 133,161,830.13, 199,723,968.27 and 45,721,963.63

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Solution

The fourth proportional to 133,161,830.13, 199,723,968.27 and 45,721,963.63 is: 68,576,498.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,161,830.13 : 199,723,968.27 = 45,721,963.63 : x
  2. Step 2: Convert to fraction form
    133,161,830.13/199,723,968.27 = 45,721,963.63/x
  3. Step 3: Cross multiply
    133,161,830.13x = 199,723,968.27 × 45,721,963.63
  4. Step 4: Simplify right side
    133,161,830.13x = 9,131,772,013,280,216
  5. Step 5: Solve for x
    x = 9,131,772,013,280,216/133,161,830.13
  6. Step 6: Final answer
    x = 68,576,498.27

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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.