Home / 254,984,139.20-382,476,208.80-82,584,678.80

Finding the Fourth Proportional to 254,984,139.20, 382,476,208.80 and 82,584,678.80

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Solution

The fourth proportional to 254,984,139.20, 382,476,208.80 and 82,584,678.80 is: 123,877,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,984,139.20 : 382,476,208.80 = 82,584,678.80 : x
  2. Step 2: Convert to fraction form
    254,984,139.20/382,476,208.80 = 82,584,678.80/x
  3. Step 3: Cross multiply
    254,984,139.20x = 382,476,208.80 × 82,584,678.80
  4. Step 4: Simplify right side
    254,984,139.20x = 31,586,674,852,389,732
  5. Step 5: Solve for x
    x = 31,586,674,852,389,732/254,984,139.20
  6. Step 6: Final answer
    x = 123,877,018.20

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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.