Home / 140,158,172.61-193,412,423.70-80,614,940.58

Finding the Fourth Proportional to 140,158,172.61, 193,412,423.70 and 80,614,940.58

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Solution

The fourth proportional to 140,158,172.61, 193,412,423.70 and 80,614,940.58 is: 111,245,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,158,172.61 : 193,412,423.70 = 80,614,940.58 : x
  2. Step 2: Convert to fraction form
    140,158,172.61/193,412,423.70 = 80,614,940.58/x
  3. Step 3: Cross multiply
    140,158,172.61x = 193,412,423.70 × 80,614,940.58
  4. Step 4: Simplify right side
    140,158,172.61x = 15,591,931,044,009,282
  5. Step 5: Solve for x
    x = 15,591,931,044,009,282/140,158,172.61
  6. Step 6: Final answer
    x = 111,245,250.66

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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.