Home / 321,918,332.20-482,912,927.70-103,531,510.60

Finding the Fourth Proportional to 321,918,332.20, 482,912,927.70 and 103,531,510.60

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Solution

The fourth proportional to 321,918,332.20, 482,912,927.70 and 103,531,510.60 is: 155,308,660.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,918,332.20 : 482,912,927.70 = 103,531,510.60 : x
  2. Step 2: Convert to fraction form
    321,918,332.20/482,912,927.70 = 103,531,510.60/x
  3. Step 3: Cross multiply
    321,918,332.20x = 482,912,927.70 × 103,531,510.60
  4. Step 4: Simplify right side
    321,918,332.20x = 49,996,704,893,049,576
  5. Step 5: Solve for x
    x = 49,996,704,893,049,576/321,918,332.20
  6. Step 6: Final answer
    x = 155,308,660.28

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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.