Home / 140,423,084.09-193,766,877.16-80,903,851.75

Finding the Fourth Proportional to 140,423,084.09, 193,766,877.16 and 80,903,851.75

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Solution

The fourth proportional to 140,423,084.09, 193,766,877.16 and 80,903,851.75 is: 111,637,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,423,084.09 : 193,766,877.16 = 80,903,851.75 : x
  2. Step 2: Convert to fraction form
    140,423,084.09/193,766,877.16 = 80,903,851.75/x
  3. Step 3: Cross multiply
    140,423,084.09x = 193,766,877.16 × 80,903,851.75
  4. Step 4: Simplify right side
    140,423,084.09x = 15,676,486,703,813,100
  5. Step 5: Solve for x
    x = 15,676,486,703,813,100/140,423,084.09
  6. Step 6: Final answer
    x = 111,637,533.14

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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.