Home / 205,013,707.99-307,534,198.29-72,050,482.82

Finding the Fourth Proportional to 205,013,707.99, 307,534,198.29 and 72,050,482.82

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Solution

The fourth proportional to 205,013,707.99, 307,534,198.29 and 72,050,482.82 is: 108,080,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,013,707.99 : 307,534,198.29 = 72,050,482.82 : x
  2. Step 2: Convert to fraction form
    205,013,707.99/307,534,198.29 = 72,050,482.82/x
  3. Step 3: Cross multiply
    205,013,707.99x = 307,534,198.29 × 72,050,482.82
  4. Step 4: Simplify right side
    205,013,707.99x = 22,157,987,470,456,116
  5. Step 5: Solve for x
    x = 22,157,987,470,456,116/205,013,707.99
  6. Step 6: Final answer
    x = 108,080,516.60

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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.