Home / 140,086,777.20-210,130,165.80-49,210,366.20

Finding the Fourth Proportional to 140,086,777.20, 210,130,165.80 and 49,210,366.20

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Solution

The fourth proportional to 140,086,777.20, 210,130,165.80 and 49,210,366.20 is: 73,815,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,086,777.20 : 210,130,165.80 = 49,210,366.20 : x
  2. Step 2: Convert to fraction form
    140,086,777.20/210,130,165.80 = 49,210,366.20/x
  3. Step 3: Cross multiply
    140,086,777.20x = 210,130,165.80 × 49,210,366.20
  4. Step 4: Simplify right side
    140,086,777.20x = 10,340,582,408,684,718
  5. Step 5: Solve for x
    x = 10,340,582,408,684,718/140,086,777.20
  6. Step 6: Final answer
    x = 73,815,549.30

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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.