Home / 118,325,505.60-163,288,852.83-66,114,582.30

Finding the Fourth Proportional to 118,325,505.60, 163,288,852.83 and 66,114,582.30

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Solution

The fourth proportional to 118,325,505.60, 163,288,852.83 and 66,114,582.30 is: 91,237,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,325,505.60 : 163,288,852.83 = 66,114,582.30 : x
  2. Step 2: Convert to fraction form
    118,325,505.60/163,288,852.83 = 66,114,582.30/x
  3. Step 3: Cross multiply
    118,325,505.60x = 163,288,852.83 × 66,114,582.30
  4. Step 4: Simplify right side
    118,325,505.60x = 10,795,774,299,101,624
  5. Step 5: Solve for x
    x = 10,795,774,299,101,624/118,325,505.60
  6. Step 6: Final answer
    x = 91,237,930.86

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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.