Home / 177,570,018.30-266,355,027.45-163,965,128.70

Finding the Fourth Proportional to 177,570,018.30, 266,355,027.45 and 163,965,128.70

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Solution

The fourth proportional to 177,570,018.30, 266,355,027.45 and 163,965,128.70 is: 245,947,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,570,018.30 : 266,355,027.45 = 163,965,128.70 : x
  2. Step 2: Convert to fraction form
    177,570,018.30/266,355,027.45 = 163,965,128.70/x
  3. Step 3: Cross multiply
    177,570,018.30x = 266,355,027.45 × 163,965,128.70
  4. Step 4: Simplify right side
    177,570,018.30x = 43,672,936,355,731,280
  5. Step 5: Solve for x
    x = 43,672,936,355,731,280/177,570,018.30
  6. Step 6: Final answer
    x = 245,947,693.05

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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.