Home / 140,537,455,349.67-193,941,688,382.62-80,390,424,432.42

Finding the Fourth Proportional to 140,537,455,349.67, 193,941,688,382.62 and 80,390,424,432.42

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Solution

The fourth proportional to 140,537,455,349.67, 193,941,688,382.62 and 80,390,424,432.42 is: 110,938,785,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,537,455,349.67 : 193,941,688,382.62 = 80,390,424,432.42 : x
  2. Step 2: Convert to fraction form
    140,537,455,349.67/193,941,688,382.62 = 80,390,424,432.42/x
  3. Step 3: Cross multiply
    140,537,455,349.67x = 193,941,688,382.62 × 80,390,424,432.42
  4. Step 4: Simplify right side
    140,537,455,349.67x = 15,591,054,644,218,960,019,456
  5. Step 5: Solve for x
    x = 15,591,054,644,218,960,019,456/140,537,455,349.67
  6. Step 6: Final answer
    x = 110,938,785,716.78

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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.