Home / 155,618,305.04-233,236,137-87,317,507.60

Finding the Fourth Proportional to 155,618,305.04, 233,236,137 and 87,317,507.60

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Solution

The fourth proportional to 155,618,305.04, 233,236,137 and 87,317,507.60 is: 130,868,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,618,305.04 : 233,236,137 = 87,317,507.60 : x
  2. Step 2: Convert to fraction form
    155,618,305.04/233,236,137 = 87,317,507.60/x
  3. Step 3: Cross multiply
    155,618,305.04x = 233,236,137 × 87,317,507.60
  4. Step 4: Simplify right side
    155,618,305.04x = 20,365,598,165,092,140
  5. Step 5: Solve for x
    x = 20,365,598,165,092,140/155,618,305.04
  6. Step 6: Final answer
    x = 130,868,911.34

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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.