Home / 143,712,607.80-215,568,911.70-41,479,980.60

Finding the Fourth Proportional to 143,712,607.80, 215,568,911.70 and 41,479,980.60

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Solution

The fourth proportional to 143,712,607.80, 215,568,911.70 and 41,479,980.60 is: 62,219,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,712,607.80 : 215,568,911.70 = 41,479,980.60 : x
  2. Step 2: Convert to fraction form
    143,712,607.80/215,568,911.70 = 41,479,980.60/x
  3. Step 3: Cross multiply
    143,712,607.80x = 215,568,911.70 × 41,479,980.60
  4. Step 4: Simplify right side
    143,712,607.80x = 8,941,794,275,279,113
  5. Step 5: Solve for x
    x = 8,941,794,275,279,113/143,712,607.80
  6. Step 6: Final answer
    x = 62,219,970.90

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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.