Home / 145,735,400.20-218,627,594.70-43,509,771.40

Finding the Fourth Proportional to 145,735,400.20, 218,627,594.70 and 43,509,771.40

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Solution

The fourth proportional to 145,735,400.20, 218,627,594.70 and 43,509,771.40 is: 65,271,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,735,400.20 : 218,627,594.70 = 43,509,771.40 : x
  2. Step 2: Convert to fraction form
    145,735,400.20/218,627,594.70 = 43,509,771.40/x
  3. Step 3: Cross multiply
    145,735,400.20x = 218,627,594.70 × 43,509,771.40
  4. Step 4: Simplify right side
    145,735,400.20x = 9,512,436,667,128,850
  5. Step 5: Solve for x
    x = 9,512,436,667,128,850/145,735,400.20
  6. Step 6: Final answer
    x = 65,271,969.98

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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.