Home / 72,456,342.60-108,653,021.10-23,915,440.20

Finding the Fourth Proportional to 72,456,342.60, 108,653,021.10 and 23,915,440.20

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Solution

The fourth proportional to 72,456,342.60, 108,653,021.10 and 23,915,440.20 is: 35,862,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,456,342.60 : 108,653,021.10 = 23,915,440.20 : x
  2. Step 2: Convert to fraction form
    72,456,342.60/108,653,021.10 = 23,915,440.20/x
  3. Step 3: Cross multiply
    72,456,342.60x = 108,653,021.10 × 23,915,440.20
  4. Step 4: Simplify right side
    72,456,342.60x = 2,598,484,828,666,388
  5. Step 5: Solve for x
    x = 2,598,484,828,666,388/72,456,342.60
  6. Step 6: Final answer
    x = 35,862,765.57

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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.