Home / 293,320,944.90-439,477,532.55-139,636,080.90

Finding the Fourth Proportional to 293,320,944.90, 439,477,532.55 and 139,636,080.90

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Solution

The fourth proportional to 293,320,944.90, 439,477,532.55 and 139,636,080.90 is: 209,214,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,320,944.90 : 439,477,532.55 = 139,636,080.90 : x
  2. Step 2: Convert to fraction form
    293,320,944.90/439,477,532.55 = 139,636,080.90/x
  3. Step 3: Cross multiply
    293,320,944.90x = 439,477,532.55 × 139,636,080.90
  4. Step 4: Simplify right side
    293,320,944.90x = 61,366,920,288,884,184
  5. Step 5: Solve for x
    x = 61,366,920,288,884,184/293,320,944.90
  6. Step 6: Final answer
    x = 209,214,245.88

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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.