Home / 109,731,974.20-164,429,999.70-103,685,356.60

Finding the Fourth Proportional to 109,731,974.20, 164,429,999.70 and 103,685,356.60

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Solution

The fourth proportional to 109,731,974.20, 164,429,999.70 and 103,685,356.60 is: 155,369,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,731,974.20 : 164,429,999.70 = 103,685,356.60 : x
  2. Step 2: Convert to fraction form
    109,731,974.20/164,429,999.70 = 103,685,356.60/x
  3. Step 3: Cross multiply
    109,731,974.20x = 164,429,999.70 × 103,685,356.60
  4. Step 4: Simplify right side
    109,731,974.20x = 17,048,983,154,632,390
  5. Step 5: Solve for x
    x = 17,048,983,154,632,390/109,731,974.20
  6. Step 6: Final answer
    x = 155,369,328.57

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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.