Home / 309,177,980.02-426,663,097.41-169,947,261.46

Finding the Fourth Proportional to 309,177,980.02, 426,663,097.41 and 169,947,261.46

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Solution

The fourth proportional to 309,177,980.02, 426,663,097.41 and 169,947,261.46 is: 234,525,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,177,980.02 : 426,663,097.41 = 169,947,261.46 : x
  2. Step 2: Convert to fraction form
    309,177,980.02/426,663,097.41 = 169,947,261.46/x
  3. Step 3: Cross multiply
    309,177,980.02x = 426,663,097.41 × 169,947,261.46
  4. Step 4: Simplify right side
    309,177,980.02x = 72,510,224,970,870,720
  5. Step 5: Solve for x
    x = 72,510,224,970,870,720/309,177,980.02
  6. Step 6: Final answer
    x = 234,525,838.37

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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.