Home / 140,423,084.10-193,766,877.16-80,903,851.76

Finding the Fourth Proportional to 140,423,084.10, 193,766,877.16 and 80,903,851.76

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Solution

The fourth proportional to 140,423,084.10, 193,766,877.16 and 80,903,851.76 is: 111,637,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,423,084.10 : 193,766,877.16 = 80,903,851.76 : x
  2. Step 2: Convert to fraction form
    140,423,084.10/193,766,877.16 = 80,903,851.76/x
  3. Step 3: Cross multiply
    140,423,084.10x = 193,766,877.16 × 80,903,851.76
  4. Step 4: Simplify right side
    140,423,084.10x = 15,676,486,705,750,770
  5. Step 5: Solve for x
    x = 15,676,486,705,750,770/140,423,084.10
  6. Step 6: Final answer
    x = 111,637,533.15

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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.