Home / 140,364,009.70-210,546,014.55-49,496,784.10

Finding the Fourth Proportional to 140,364,009.70, 210,546,014.55 and 49,496,784.10

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Solution

The fourth proportional to 140,364,009.70, 210,546,014.55 and 49,496,784.10 is: 74,245,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,364,009.70 : 210,546,014.55 = 49,496,784.10 : x
  2. Step 2: Convert to fraction form
    140,364,009.70/210,546,014.55 = 49,496,784.10/x
  3. Step 3: Cross multiply
    140,364,009.70x = 210,546,014.55 × 49,496,784.10
  4. Step 4: Simplify right side
    140,364,009.70x = 10,421,350,625,296,810
  5. Step 5: Solve for x
    x = 10,421,350,625,296,810/140,364,009.70
  6. Step 6: Final answer
    x = 74,245,176.15

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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.