Home / 88,388,450.72-121,982,192.40-53,582,608.16

Finding the Fourth Proportional to 88,388,450.72, 121,982,192.40 and 53,582,608.16

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Solution

The fourth proportional to 88,388,450.72, 121,982,192.40 and 53,582,608.16 is: 73,947,715.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,388,450.72 : 121,982,192.40 = 53,582,608.16 : x
  2. Step 2: Convert to fraction form
    88,388,450.72/121,982,192.40 = 53,582,608.16/x
  3. Step 3: Cross multiply
    88,388,450.72x = 121,982,192.40 × 53,582,608.16
  4. Step 4: Simplify right side
    88,388,450.72x = 6,536,124,017,866,930
  5. Step 5: Solve for x
    x = 6,536,124,017,866,930/88,388,450.72
  6. Step 6: Final answer
    x = 73,947,715.62

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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.