Home / 140,364,008.80-210,546,013.20-49,457,384.80

Finding the Fourth Proportional to 140,364,008.80, 210,546,013.20 and 49,457,384.80

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Solution

The fourth proportional to 140,364,008.80, 210,546,013.20 and 49,457,384.80 is: 74,186,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,364,008.80 : 210,546,013.20 = 49,457,384.80 : x
  2. Step 2: Convert to fraction form
    140,364,008.80/210,546,013.20 = 49,457,384.80/x
  3. Step 3: Cross multiply
    140,364,008.80x = 210,546,013.20 × 49,457,384.80
  4. Step 4: Simplify right side
    140,364,008.80x = 10,413,055,192,938,278
  5. Step 5: Solve for x
    x = 10,413,055,192,938,278/140,364,008.80
  6. Step 6: Final answer
    x = 74,186,077.20

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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.