Home / 279,308,099.80-418,996,932.72-95,061,417.40

Finding the Fourth Proportional to 279,308,099.80, 418,996,932.72 and 95,061,417.40

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Solution

The fourth proportional to 279,308,099.80, 418,996,932.72 and 95,061,417.40 is: 142,603,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,308,099.80 : 418,996,932.72 = 95,061,417.40 : x
  2. Step 2: Convert to fraction form
    279,308,099.80/418,996,932.72 = 95,061,417.40/x
  3. Step 3: Cross multiply
    279,308,099.80x = 418,996,932.72 × 95,061,417.40
  4. Step 4: Simplify right side
    279,308,099.80x = 39,830,442,310,615,640
  5. Step 5: Solve for x
    x = 39,830,442,310,615,640/279,308,099.80
  6. Step 6: Final answer
    x = 142,603,964.36

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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.