Home / 137,540,547,002.85-206,405,060,384.10-48,003,540,378.58

Finding the Fourth Proportional to 137,540,547,002.85, 206,405,060,384.10 and 48,003,540,378.58

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Solution

The fourth proportional to 137,540,547,002.85, 206,405,060,384.10 and 48,003,540,378.58 is: 72,038,201,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,540,547,002.85 : 206,405,060,384.10 = 48,003,540,378.58 : x
  2. Step 2: Convert to fraction form
    137,540,547,002.85/206,405,060,384.10 = 48,003,540,378.58/x
  3. Step 3: Cross multiply
    137,540,547,002.85x = 206,405,060,384.10 × 48,003,540,378.58
  4. Step 4: Simplify right side
    137,540,547,002.85x = 9,908,173,650,490,355,089,408
  5. Step 5: Solve for x
    x = 9,908,173,650,490,355,089,408/137,540,547,002.85
  6. Step 6: Final answer
    x = 72,038,201,580.55

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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.