Home / 140,010,392.20-209,952,602.70-53,720,120.20

Finding the Fourth Proportional to 140,010,392.20, 209,952,602.70 and 53,720,120.20

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Solution

The fourth proportional to 140,010,392.20, 209,952,602.70 and 53,720,120.20 is: 80,556,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,010,392.20 : 209,952,602.70 = 53,720,120.20 : x
  2. Step 2: Convert to fraction form
    140,010,392.20/209,952,602.70 = 53,720,120.20/x
  3. Step 3: Cross multiply
    140,010,392.20x = 209,952,602.70 × 53,720,120.20
  4. Step 4: Simplify right side
    140,010,392.20x = 11,278,679,053,346,844
  5. Step 5: Solve for x
    x = 11,278,679,053,346,844/140,010,392.20
  6. Step 6: Final answer
    x = 80,556,013.57

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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.