Home / 147,449,406.48-203,485,068.21-80,472,032.10

Finding the Fourth Proportional to 147,449,406.48, 203,485,068.21 and 80,472,032.10

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Solution

The fourth proportional to 147,449,406.48, 203,485,068.21 and 80,472,032.10 is: 111,054,071.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,449,406.48 : 203,485,068.21 = 80,472,032.10 : x
  2. Step 2: Convert to fraction form
    147,449,406.48/203,485,068.21 = 80,472,032.10/x
  3. Step 3: Cross multiply
    147,449,406.48x = 203,485,068.21 × 80,472,032.10
  4. Step 4: Simplify right side
    147,449,406.48x = 16,374,856,940,865,808
  5. Step 5: Solve for x
    x = 16,374,856,940,865,808/147,449,406.48
  6. Step 6: Final answer
    x = 111,054,071.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.