Home / 133,120,890.90-183,713,925.83-74,384,981.82

Finding the Fourth Proportional to 133,120,890.90, 183,713,925.83 and 74,384,981.82

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Solution

The fourth proportional to 133,120,890.90, 183,713,925.83 and 74,384,981.82 is: 102,655,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,120,890.90 : 183,713,925.83 = 74,384,981.82 : x
  2. Step 2: Convert to fraction form
    133,120,890.90/183,713,925.83 = 74,384,981.82/x
  3. Step 3: Cross multiply
    133,120,890.90x = 183,713,925.83 × 74,384,981.82
  4. Step 4: Simplify right side
    133,120,890.90x = 13,665,557,032,573,452
  5. Step 5: Solve for x
    x = 13,665,557,032,573,452/133,120,890.90
  6. Step 6: Final answer
    x = 102,655,240.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.