Home / 140,374,423.61-210,665,065.94-66,598,471.79

Finding the Fourth Proportional to 140,374,423.61, 210,665,065.94 and 66,598,471.79

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Solution

The fourth proportional to 140,374,423.61, 210,665,065.94 and 66,598,471.79 is: 99,946,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,374,423.61 : 210,665,065.94 = 66,598,471.79 : x
  2. Step 2: Convert to fraction form
    140,374,423.61/210,665,065.94 = 66,598,471.79/x
  3. Step 3: Cross multiply
    140,374,423.61x = 210,665,065.94 × 66,598,471.79
  4. Step 4: Simplify right side
    140,374,423.61x = 14,029,971,449,757,262
  5. Step 5: Solve for x
    x = 14,029,971,449,757,262/140,374,423.61
  6. Step 6: Final answer
    x = 99,946,778.69

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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.