Home / 321,918,320.70-482,912,910.45-103,531,499.10

Finding the Fourth Proportional to 321,918,320.70, 482,912,910.45 and 103,531,499.10

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Solution

The fourth proportional to 321,918,320.70, 482,912,910.45 and 103,531,499.10 is: 155,308,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,918,320.70 : 482,912,910.45 = 103,531,499.10 : x
  2. Step 2: Convert to fraction form
    321,918,320.70/482,912,910.45 = 103,531,499.10/x
  3. Step 3: Cross multiply
    321,918,320.70x = 482,912,910.45 × 103,531,499.10
  4. Step 4: Simplify right side
    321,918,320.70x = 49,996,697,553,632,552
  5. Step 5: Solve for x
    x = 49,996,697,553,632,552/321,918,320.70
  6. Step 6: Final answer
    x = 155,308,643.03

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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.