Home / 137,664,600-206,495,500.26-35,428,240.32

Finding the Fourth Proportional to 137,664,600, 206,495,500.26 and 35,428,240.32

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Solution

The fourth proportional to 137,664,600, 206,495,500.26 and 35,428,240.32 is: 53,142,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,664,600 : 206,495,500.26 = 35,428,240.32 : x
  2. Step 2: Convert to fraction form
    137,664,600/206,495,500.26 = 35,428,240.32/x
  3. Step 3: Cross multiply
    137,664,600x = 206,495,500.26 × 35,428,240.32
  4. Step 4: Simplify right side
    137,664,600x = 7,315,772,208,209,902
  5. Step 5: Solve for x
    x = 7,315,772,208,209,902/137,664,600
  6. Step 6: Final answer
    x = 53,142,000.25

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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.