Home / 147,297,824.78-221,010,451.78-79,060,800.38

Finding the Fourth Proportional to 147,297,824.78, 221,010,451.78 and 79,060,800.38

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Solution

The fourth proportional to 147,297,824.78, 221,010,451.78 and 79,060,800.38 is: 118,625,398.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,297,824.78 : 221,010,451.78 = 79,060,800.38 : x
  2. Step 2: Convert to fraction form
    147,297,824.78/221,010,451.78 = 79,060,800.38/x
  3. Step 3: Cross multiply
    147,297,824.78x = 221,010,451.78 × 79,060,800.38
  4. Step 4: Simplify right side
    147,297,824.78x = 17,473,263,210,072,194
  5. Step 5: Solve for x
    x = 17,473,263,210,072,194/147,297,824.78
  6. Step 6: Final answer
    x = 118,625,398.82

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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.