Home / 293,718,412.80-440,577,619.20-140,663,404.80

Finding the Fourth Proportional to 293,718,412.80, 440,577,619.20 and 140,663,404.80

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Solution

The fourth proportional to 293,718,412.80, 440,577,619.20 and 140,663,404.80 is: 210,995,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,718,412.80 : 440,577,619.20 = 140,663,404.80 : x
  2. Step 2: Convert to fraction form
    293,718,412.80/440,577,619.20 = 140,663,404.80/x
  3. Step 3: Cross multiply
    293,718,412.80x = 440,577,619.20 × 140,663,404.80
  4. Step 4: Simplify right side
    293,718,412.80x = 61,973,147,995,349,856
  5. Step 5: Solve for x
    x = 61,973,147,995,349,856/293,718,412.80
  6. Step 6: Final answer
    x = 210,995,107.20

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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.