Home / 140,423,084.59-193,766,877.85-80,903,852.25

Finding the Fourth Proportional to 140,423,084.59, 193,766,877.85 and 80,903,852.25

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Solution

The fourth proportional to 140,423,084.59, 193,766,877.85 and 80,903,852.25 is: 111,637,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,423,084.59 : 193,766,877.85 = 80,903,852.25 : x
  2. Step 2: Convert to fraction form
    140,423,084.59/193,766,877.85 = 80,903,852.25/x
  3. Step 3: Cross multiply
    140,423,084.59x = 193,766,877.85 × 80,903,852.25
  4. Step 4: Simplify right side
    140,423,084.59x = 15,676,486,856,520,198
  5. Step 5: Solve for x
    x = 15,676,486,856,520,198/140,423,084.59
  6. Step 6: Final answer
    x = 111,637,533.83

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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.