Home / 139,297,553.82-208,946,816.73-42,254,097.66

Finding the Fourth Proportional to 139,297,553.82, 208,946,816.73 and 42,254,097.66

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Solution

The fourth proportional to 139,297,553.82, 208,946,816.73 and 42,254,097.66 is: 63,381,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,297,553.82 : 208,946,816.73 = 42,254,097.66 : x
  2. Step 2: Convert to fraction form
    139,297,553.82/208,946,816.73 = 42,254,097.66/x
  3. Step 3: Cross multiply
    139,297,553.82x = 208,946,816.73 × 42,254,097.66
  4. Step 4: Simplify right side
    139,297,553.82x = 8,828,859,199,855,541
  5. Step 5: Solve for x
    x = 8,828,859,199,855,541/139,297,553.82
  6. Step 6: Final answer
    x = 63,381,293.91

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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.