Home / 71,832,696.56-99,129,117.45-38,792,942.50

Finding the Fourth Proportional to 71,832,696.56, 99,129,117.45 and 38,792,942.50

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Solution

The fourth proportional to 71,832,696.56, 99,129,117.45 and 38,792,942.50 is: 53,534,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,832,696.56 : 99,129,117.45 = 38,792,942.50 : x
  2. Step 2: Convert to fraction form
    71,832,696.56/99,129,117.45 = 38,792,942.50/x
  3. Step 3: Cross multiply
    71,832,696.56x = 99,129,117.45 × 38,792,942.50
  4. Step 4: Simplify right side
    71,832,696.56x = 3,845,510,153,313,596.50
  5. Step 5: Solve for x
    x = 3,845,510,153,313,596.50/71,832,696.56
  6. Step 6: Final answer
    x = 53,534,258.60

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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.