Home / 140,423,081.09-193,766,873.02-80,903,848.75

Finding the Fourth Proportional to 140,423,081.09, 193,766,873.02 and 80,903,848.75

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Solution

The fourth proportional to 140,423,081.09, 193,766,873.02 and 80,903,848.75 is: 111,637,529.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,423,081.09 : 193,766,873.02 = 80,903,848.75 : x
  2. Step 2: Convert to fraction form
    140,423,081.09/193,766,873.02 = 80,903,848.75/x
  3. Step 3: Cross multiply
    140,423,081.09x = 193,766,873.02 × 80,903,848.75
  4. Step 4: Simplify right side
    140,423,081.09x = 15,676,485,786,883,860
  5. Step 5: Solve for x
    x = 15,676,485,786,883,860/140,423,081.09
  6. Step 6: Final answer
    x = 111,637,529.00

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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.