Home / 177,957,705.60-266,936,558.40-139,737,110.40

Finding the Fourth Proportional to 177,957,705.60, 266,936,558.40 and 139,737,110.40

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Solution

The fourth proportional to 177,957,705.60, 266,936,558.40 and 139,737,110.40 is: 209,605,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,957,705.60 : 266,936,558.40 = 139,737,110.40 : x
  2. Step 2: Convert to fraction form
    177,957,705.60/266,936,558.40 = 139,737,110.40/x
  3. Step 3: Cross multiply
    177,957,705.60x = 266,936,558.40 × 139,737,110.40
  4. Step 4: Simplify right side
    177,957,705.60x = 37,300,943,330,936,848
  5. Step 5: Solve for x
    x = 37,300,943,330,936,848/177,957,705.60
  6. Step 6: Final answer
    x = 209,605,665.60

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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.