Home / 291,310,326.30-436,965,489.45-118,693,040.70

Finding the Fourth Proportional to 291,310,326.30, 436,965,489.45 and 118,693,040.70

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Solution

The fourth proportional to 291,310,326.30, 436,965,489.45 and 118,693,040.70 is: 178,039,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,310,326.30 : 436,965,489.45 = 118,693,040.70 : x
  2. Step 2: Convert to fraction form
    291,310,326.30/436,965,489.45 = 118,693,040.70/x
  3. Step 3: Cross multiply
    291,310,326.30x = 436,965,489.45 × 118,693,040.70
  4. Step 4: Simplify right side
    291,310,326.30x = 51,864,762,623,784,272
  5. Step 5: Solve for x
    x = 51,864,762,623,784,272/291,310,326.30
  6. Step 6: Final answer
    x = 178,039,561.05

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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.