Home / 137,658,565.80-206,487,848.70-126,179,440.20

Finding the Fourth Proportional to 137,658,565.80, 206,487,848.70 and 126,179,440.20

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Solution

The fourth proportional to 137,658,565.80, 206,487,848.70 and 126,179,440.20 is: 189,269,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,658,565.80 : 206,487,848.70 = 126,179,440.20 : x
  2. Step 2: Convert to fraction form
    137,658,565.80/206,487,848.70 = 126,179,440.20/x
  3. Step 3: Cross multiply
    137,658,565.80x = 206,487,848.70 × 126,179,440.20
  4. Step 4: Simplify right side
    137,658,565.80x = 26,054,521,157,068,296
  5. Step 5: Solve for x
    x = 26,054,521,157,068,296/137,658,565.80
  6. Step 6: Final answer
    x = 189,269,160.30

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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.