Home / 137,540,547,003.69-206,405,060,385.38-48,003,540,379.42

Finding the Fourth Proportional to 137,540,547,003.69, 206,405,060,385.38 and 48,003,540,379.42

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Solution

The fourth proportional to 137,540,547,003.69, 206,405,060,385.38 and 48,003,540,379.42 is: 72,038,201,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,540,547,003.69 : 206,405,060,385.38 = 48,003,540,379.42 : x
  2. Step 2: Convert to fraction form
    137,540,547,003.69/206,405,060,385.38 = 48,003,540,379.42/x
  3. Step 3: Cross multiply
    137,540,547,003.69x = 206,405,060,385.38 × 48,003,540,379.42
  4. Step 4: Simplify right side
    137,540,547,003.69x = 9,908,173,650,725,800,247,296
  5. Step 5: Solve for x
    x = 9,908,173,650,725,800,247,296/137,540,547,003.69
  6. Step 6: Final answer
    x = 72,038,201,581.82

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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.