Home / 73,003,981.74-100,638,162.09-55,569,961.32

Finding the Fourth Proportional to 73,003,981.74, 100,638,162.09 and 55,569,961.32

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Solution

The fourth proportional to 73,003,981.74, 100,638,162.09 and 55,569,961.32 is: 76,604,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,003,981.74 : 100,638,162.09 = 55,569,961.32 : x
  2. Step 2: Convert to fraction form
    73,003,981.74/100,638,162.09 = 55,569,961.32/x
  3. Step 3: Cross multiply
    73,003,981.74x = 100,638,162.09 × 55,569,961.32
  4. Step 4: Simplify right side
    73,003,981.74x = 5,592,458,774,657,191
  5. Step 5: Solve for x
    x = 5,592,458,774,657,191/73,003,981.74
  6. Step 6: Final answer
    x = 76,604,845.95

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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.