Home / 188,495,430.40-282,743,145.60-140,122,489.60

Finding the Fourth Proportional to 188,495,430.40, 282,743,145.60 and 140,122,489.60

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Solution

The fourth proportional to 188,495,430.40, 282,743,145.60 and 140,122,489.60 is: 210,183,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,495,430.40 : 282,743,145.60 = 140,122,489.60 : x
  2. Step 2: Convert to fraction form
    188,495,430.40/282,743,145.60 = 140,122,489.60/x
  3. Step 3: Cross multiply
    188,495,430.40x = 282,743,145.60 × 140,122,489.60
  4. Step 4: Simplify right side
    188,495,430.40x = 39,618,673,478,807,288
  5. Step 5: Solve for x
    x = 39,618,673,478,807,288/188,495,430.40
  6. Step 6: Final answer
    x = 210,183,734.40

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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.