Home / 193,545,623.20-290,318,434.80-173,838,128.80

Finding the Fourth Proportional to 193,545,623.20, 290,318,434.80 and 173,838,128.80

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Solution

The fourth proportional to 193,545,623.20, 290,318,434.80 and 173,838,128.80 is: 260,757,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,545,623.20 : 290,318,434.80 = 173,838,128.80 : x
  2. Step 2: Convert to fraction form
    193,545,623.20/290,318,434.80 = 173,838,128.80/x
  3. Step 3: Cross multiply
    193,545,623.20x = 290,318,434.80 × 173,838,128.80
  4. Step 4: Simplify right side
    193,545,623.20x = 50,468,413,461,776,808
  5. Step 5: Solve for x
    x = 50,468,413,461,776,808/193,545,623.20
  6. Step 6: Final answer
    x = 260,757,193.20

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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.