Home / 309,533,731.70-426,993,742.79-183,996,634.79

Finding the Fourth Proportional to 309,533,731.70, 426,993,742.79 and 183,996,634.79

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Solution

The fourth proportional to 309,533,731.70, 426,993,742.79 and 183,996,634.79 is: 253,818,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,533,731.70 : 426,993,742.79 = 183,996,634.79 : x
  2. Step 2: Convert to fraction form
    309,533,731.70/426,993,742.79 = 183,996,634.79/x
  3. Step 3: Cross multiply
    309,533,731.70x = 426,993,742.79 × 183,996,634.79
  4. Step 4: Simplify right side
    309,533,731.70x = 78,565,411,750,584,304
  5. Step 5: Solve for x
    x = 78,565,411,750,584,304/309,533,731.70
  6. Step 6: Final answer
    x = 253,818,578.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.