Home / 140,697,010.80-211,045,516.20-49,829,785.20

Finding the Fourth Proportional to 140,697,010.80, 211,045,516.20 and 49,829,785.20

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Solution

The fourth proportional to 140,697,010.80, 211,045,516.20 and 49,829,785.20 is: 74,744,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,697,010.80 : 211,045,516.20 = 49,829,785.20 : x
  2. Step 2: Convert to fraction form
    140,697,010.80/211,045,516.20 = 49,829,785.20/x
  3. Step 3: Cross multiply
    140,697,010.80x = 211,045,516.20 × 49,829,785.20
  4. Step 4: Simplify right side
    140,697,010.80x = 10,516,352,739,669,120
  5. Step 5: Solve for x
    x = 10,516,352,739,669,120/140,697,010.80
  6. Step 6: Final answer
    x = 74,744,677.80

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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.