Home / 145,673,902.10-218,510,853.15-133,769,623.70

Finding the Fourth Proportional to 145,673,902.10, 218,510,853.15 and 133,769,623.70

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Solution

The fourth proportional to 145,673,902.10, 218,510,853.15 and 133,769,623.70 is: 200,654,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,673,902.10 : 218,510,853.15 = 133,769,623.70 : x
  2. Step 2: Convert to fraction form
    145,673,902.10/218,510,853.15 = 133,769,623.70/x
  3. Step 3: Cross multiply
    145,673,902.10x = 218,510,853.15 × 133,769,623.70
  4. Step 4: Simplify right side
    145,673,902.10x = 29,230,114,600,241,460
  5. Step 5: Solve for x
    x = 29,230,114,600,241,460/145,673,902.10
  6. Step 6: Final answer
    x = 200,654,435.55

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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.