Home / 393,636,080.61-590,470,259.36-135,029,143.17

Finding the Fourth Proportional to 393,636,080.61, 590,470,259.36 and 135,029,143.17

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Solution

The fourth proportional to 393,636,080.61, 590,470,259.36 and 135,029,143.17 is: 202,549,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,636,080.61 : 590,470,259.36 = 135,029,143.17 : x
  2. Step 2: Convert to fraction form
    393,636,080.61/590,470,259.36 = 135,029,143.17/x
  3. Step 3: Cross multiply
    393,636,080.61x = 590,470,259.36 × 135,029,143.17
  4. Step 4: Simplify right side
    393,636,080.61x = 79,730,693,188,073,328
  5. Step 5: Solve for x
    x = 79,730,693,188,073,328/393,636,080.61
  6. Step 6: Final answer
    x = 202,549,250.73

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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.