Home / 157,763,140.80-236,644,711.20-133,576,670.40

Finding the Fourth Proportional to 157,763,140.80, 236,644,711.20 and 133,576,670.40

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Solution

The fourth proportional to 157,763,140.80, 236,644,711.20 and 133,576,670.40 is: 200,365,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,763,140.80 : 236,644,711.20 = 133,576,670.40 : x
  2. Step 2: Convert to fraction form
    157,763,140.80/236,644,711.20 = 133,576,670.40/x
  3. Step 3: Cross multiply
    157,763,140.80x = 236,644,711.20 × 133,576,670.40
  4. Step 4: Simplify right side
    157,763,140.80x = 31,610,212,589,865,588
  5. Step 5: Solve for x
    x = 31,610,212,589,865,588/157,763,140.80
  6. Step 6: Final answer
    x = 200,365,005.60

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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.