Home / 140,364,046.80-210,546,070.20-49,457,422.80

Finding the Fourth Proportional to 140,364,046.80, 210,546,070.20 and 49,457,422.80

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Solution

The fourth proportional to 140,364,046.80, 210,546,070.20 and 49,457,422.80 is: 74,186,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,364,046.80 : 210,546,070.20 = 49,457,422.80 : x
  2. Step 2: Convert to fraction form
    140,364,046.80/210,546,070.20 = 49,457,422.80/x
  3. Step 3: Cross multiply
    140,364,046.80x = 210,546,070.20 × 49,457,422.80
  4. Step 4: Simplify right side
    140,364,046.80x = 10,413,066,012,759,880
  5. Step 5: Solve for x
    x = 10,413,066,012,759,880/140,364,046.80
  6. Step 6: Final answer
    x = 74,186,134.20

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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.