Home / 140,980,477.16-211,514,024.48-67,298,286.12

Finding the Fourth Proportional to 140,980,477.16, 211,514,024.48 and 67,298,286.12

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Solution

The fourth proportional to 140,980,477.16, 211,514,024.48 and 67,298,286.12 is: 100,968,102.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,980,477.16 : 211,514,024.48 = 67,298,286.12 : x
  2. Step 2: Convert to fraction form
    140,980,477.16/211,514,024.48 = 67,298,286.12/x
  3. Step 3: Cross multiply
    140,980,477.16x = 211,514,024.48 × 67,298,286.12
  4. Step 4: Simplify right side
    140,980,477.16x = 14,234,531,337,847,724
  5. Step 5: Solve for x
    x = 14,234,531,337,847,724/140,980,477.16
  6. Step 6: Final answer
    x = 100,968,102.99

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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.