Home / 140,225,865.41-210,343,083.20-48,108,311.31

Finding the Fourth Proportional to 140,225,865.41, 210,343,083.20 and 48,108,311.31

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Solution

The fourth proportional to 140,225,865.41, 210,343,083.20 and 48,108,311.31 is: 72,163,937.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,225,865.41 : 210,343,083.20 = 48,108,311.31 : x
  2. Step 2: Convert to fraction form
    140,225,865.41/210,343,083.20 = 48,108,311.31/x
  3. Step 3: Cross multiply
    140,225,865.41x = 210,343,083.20 × 48,108,311.31
  4. Step 4: Simplify right side
    140,225,865.41x = 10,119,250,528,250,290
  5. Step 5: Solve for x
    x = 10,119,250,528,250,290/140,225,865.41
  6. Step 6: Final answer
    x = 72,163,937.08

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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.